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Pavement Markings--Design and Typical Layout Details (2006)

Chapter: Appendix Q - Exit Ramp Gores

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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Page 134
Page 135
Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Suggested Citation:"Appendix Q - Exit Ramp Gores." National Academies of Sciences, Engineering, and Medicine. 2006. Pavement Markings--Design and Typical Layout Details. Washington, DC: The National Academies Press. doi: 10.17226/13947.
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Page 137

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129 ALABAMA For an exit ramp with a tapered deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines in areas where 4-in. normal lines are used and solid 12-in.-wide lines in areas where 6-in. normal lines are used. A 4-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right- hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For exit ramps with a tapered deceleration lane and a par- allel recovery lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 8-in.-wide lines in areas where 4-in. normal lines are used and solid 12-in.-wide lines in areas where 6-in. normal lines are used. Chevron stripes that are 24 in. wide at 15-ft spacing in urban areas and 25-ft spacing in rural areas are placed within the paved portion of the gore. Diagonal 12-in.- wide lines at 20-ft intervals in urban areas and 30- to 40-ft intervals in rural areas are used within the right shoulder of the parallel recovery lane for the recovery lane’s entire length, and within the left shoulder of the ramp for a distance of 80 ft beyond the point where the paved portion of the gore ends. For exit ramps with a recovery area, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines in areas where 4-in. normal lines are used and solid 12-in.-wide lines in areas where 6-in. normal lines are used. Chevron stripes that are 24 in. wide at 15-ft spacing in urban areas and 25-ft spacing in rural areas are placed within the paved portion of the gore. Diagonal 12-in.- wide lines at 20-ft intervals in urban areas and 30- to 40-ft intervals in rural areas are used within the right shoulder of the mainline roadway for a distance of at least 320 ft beyond the point where the paved portion of the gore ends, and within the left shoulder of the ramp for a distance of 80 ft beyond the point where the paved portion of the gore ends. ARIZONA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes available and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. Chevron stripes that are 12 in. wide at 40-ft spacing are placed within the paved portion of the gore. An optional 6-in.-wide dotted line (2-ft segments with 4-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. Chevron stripes that are 12 in. wide at 40-ft spacing are placed within the paved portion of the gore. CALIFORNIA For an exit ramp with a tapered deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. COLORADO For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the location of the Exit Gore sign, which is beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. A 4-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. For an exit ramp with a parallel deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the location of the Exit Gore sign, which is beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. Chevron stripes that are 8 in. wide at 25-ft spacing may be placed within the paved portion of an exit ramp gore starting at the point where the gore becomes 6 ft wide. APPENDIX Q Exit Ramp Gores

CONNECTICUT For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends 20 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. A 6-in.-wide dotted line (2-ft segments with 10-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. White pavement mark- ings may be placed within the paved portion of the gore for special emphasis, but no description is given regarding the layout of these markings. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 20 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. White pave- ment markings may be placed within the paved portion of the gore for special emphasis, but no description is given regard- ing the layout of these markings. DELAWARE For an exit ramp with a parallel deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends (measured along the left edge line of the ramp—the end of the gore strip- ing along the mainline roadway is at the point on the right edge line where a perpendicular line would line up with the end of the gore striping on the ramp, which is a point that is less than 50 ft beyond the point where the paved portion of the gore ends). The gore striping is comprised of solid 12-in.- wide lines. There are no pavement markings within the paved portion of the gore. FLORIDA For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the beginning of the gore and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 18 in. wide at 20-ft spacing are placed within the paved portion of the gore. Diagonal 18-in.-wide cross- hatching is placed beyond the gore on the right shoulder of the mainline roadway until the shoulder width returns to its normal width. GEORGIA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- 130 able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 10-in.-wide lines. A 5-in.-wide dotted line (2-ft segments with 6-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 10-in.-wide lines. There are no pavement mark- ings within the paved portion of the gore. HAWAII For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends 40 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. A 4-in.-wide dotted line (2-ft segments with 8-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. Chevron stripes that are 12 in. wide are placed at 20-ft intervals within the paved por- tion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 40 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 12 in. wide are placed at 20-ft intervals within the paved portion of the gore. ILLINOIS For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. An optional 4-in.-wide dotted line may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. Pavement markings are not required within the paved portion of the gore. If used, they consist of 12-in.- wide diagonal lines at 10- to 20-ft intervals and point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle). For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway

131 starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Pavement markings are not required within the paved portion of the gore. If used, they consist of 12-in.-wide diagonal lines at 10- to 20-ft intervals and point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle). INDIANA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. A 4-in.-wide dotted line (2-ft segments with 8-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp becomes 12 ft wide to the point where the gore striping starts. When the posted speed limit is 45 mph or less, 12-in.-wide chevrons are placed within the paved portion of the gore at 20-ft intervals. When the posted speed limit is more than 45 mph, 24-in.-wide chevrons are placed within the paved portion of the gore at 40-ft intervals. Where ramp volumes are low, diagonal lines may be used in the paved portion of the gore instead of chevrons. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 8-in.-wide lines. When the posted speed limit is 45 mph or less, 12-in.-wide chevrons are placed within the paved portion of the gore at 20-ft intervals. When the posted speed limit is more than 45 mph, 24-in.-wide chevrons are placed within the paved portion of the gore at 40-ft intervals. Where ramp volumes are low, diagonal lines may be used in the paved portion of the gore instead of chevrons. IOWA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. A 4-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. KANSAS For an exit ramp with a tapered deceleration lane, gore strip- ing on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the extra roadway paving on the right of the right edge line of the mainline roadway ends. Gore striping on the ramp starts at the point where the full width of the ramp first becomes available and ends at an unspecified dis- tance beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 12 in. wide at a 30° angle at 40-ft spacing are placed within the paved portion of the gore. A 6-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. Diagonal lines that are 12 in. wide at a 30° angle at 40-ft spacing are placed in the extra roadway paving on the right of the right edge line of the main- line roadway. For an exit ramp with a parallel deceleration lane, gore striping on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the extra roadway paving on the right of the right edge line of the mainline roadway ends. Gore striping on the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 12 in. wide at a 30° angle at 40-ft spacing are placed within the paved por- tion of the gore. Diagonal lines that are 12 in. wide at a 30° angle at 40-ft spacing are placed in the extra roadway paving on the right of the right edge line of the mainline roadway. KENTUCKY Chevron markings within the paved portion of the gore should not be used in most instances, but they may be used if there is a specific need to provide additional guidance to drivers. LOUISIANA For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes available or where a parallel deceler- ation lane separates from the mainline roadway and ends at the point where the shoulders return to normal width, which is after the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 24 in. wide are placed within the paved portion of the gore.

The spacing of the chevron stripes varies based on the posted speed of mainline traffic (12-ft spacing for 45 mph or less, 18-ft spacing for 50 or 55 mph, and 24-ft spacing for 65 mph). MARYLAND For an exit ramp with a parallel deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 10-in.-wide lines. Pavement markings are not required within the paved portion of the gore. If used when special emphasis is required, chevron stripes that are 16 in. wide at 50-ft spacing for blunt angle gores or up to 100-ft spacing for sharp angle gores are placed within the paved portion of the gore. If used, the first chevron stripe is placed 50 ft beyond the point where the gore width becomes 1 ft wide. MASSACHUSETTS For an exit ramp with a parallel deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Pavement markings within the paved portion of the gore consist of 12-in.-wide diagonal lines at 16-ft (shown as 5-m) intervals and point at a 3-to-1 slope for- ward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a forward angle). The pavement markings within the paved portion of the gore are omitted if travel is sometimes permitted in the breakdown lane (shoulder) of the mainline roadway. MICHIGAN For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. A 6-in.-wide dotted line (5-ft segments with 20-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. There are no pavement mark- ings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. At the start of the gore striping, the two 12-in.-wide lines are side-by-side, thus resulting in a 24-in.-wide line. There are no pavement mark- ings within the paved portion of the gore. 132 MINNESOTA For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the beginning of the gore and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. MISSISSIPPI For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able. The gore striping along the mainline roadway ends at the point well beyond the end of the gore where the portion of the shoulder that is paved with mainline roadway paving (as opposed to shoulder thickness paving) becomes only 6 ft wide. The gore striping along the ramp ends at the point beyond the end of the gore and is the point where the straight- line portion of the ramp changes to a curved portion. The gore striping is comprised of solid 12-in.-wide lines. An optional 6-in.-wide dotted line (2-ft segments with 12-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts. The gore striping along the mainline roadway ends at the point well beyond the end of the gore where the portion of the shoulder that is paved with mainline roadway paving (as opposed to shoulder thickness paving) becomes only 6 ft wide. The gore striping along the ramp ends at the point beyond the end of the gore where the curvature on the ramp changes. The gore striping is com- prised of solid 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. MISSOURI For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. MONTANA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. An optional 4-in.-wide dotted line (2-ft segments with 4-ft

133 gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. NEBRASKA For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at an unspecified distance beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. NEVADA For an exit ramp, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. NEW HAMPSHIRE For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends 5 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.- wide lines. A 6-in.-wide dotted line (2-ft segments with 10-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends 5 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. NEW YORK For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. An optional 6-in.-wide dotted line (2-ft segments with 10-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. Pavement mark- ings within the paved portion of the gore consist of 24-in.- wide chevrons at 11-ft (shown as 3.3-m) intervals for major exits or 24-in.-wide diagonal lines at 11-ft (shown as 3.3-m) intervals and point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) for minor exits. For an exit ramp with a parallel deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 12-in.-wide lines. Pavement markings within the paved portion of the gore consist of 24-in.-wide chevrons at 11-ft (shown as 3.3-m) intervals for major exits, or 24-in.- wide diagonal lines at 11-ft (shown as 3.3-m) intervals and point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) for minor exits. NORTH CAROLINA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved shoulders portion of the gore ends. The gore striping is comprised of solid 8- or 12-in.-wide lines. A 4- to 6-in.-wide dotted line (2-ft seg- ments with 13-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved shoulders portion of the gore ends. The gore strip- ing is comprised of solid 8- or 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. NORTH DAKOTA For an exit ramp with a tapered deceleration lane, gore strip- ing on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends 200 ft downstream, and gore striping on the exit ramp starts at the point where the full width of the ramp first becomes available and ends 240 ft downstream. The gore striping is comprised of solid 8-in.-wide lines. A 4-in.-wide dotted line (2-ft seg- ments with 6-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore.

For an exit ramp with a parallel deceleration lane, gore striping on the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends, and gore striping on the exit ramp starts at the point where the gore starts and ends 40 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. OHIO For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved shoulders end (shown as the point where the paved gore ends for the ramp and as a point beyond the end of the paved gore for the main- line roadway). The gore striping is comprised of solid 8- or 12-in.-wide lines. A 4- to 6-in.-wide broken lane line (10-ft segments with 30-ft gaps) is placed from the point where a full lane width first becomes available to the beginning of the gore. An optional 4- to 6-in.-wide dotted line (2-ft segments with 4-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the broken lane line starts. Pavement mark- ings are not required within the paved portion of the gore. If used, they consist of 24-in.-wide diagonal lines that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle). The spacing of the diagonal lines is 12 ft for the first 48 ft, 24 ft for the next 48 ft, and 48 ft thereafter. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved shoulders end (shown as the point where the paved gore ends for the ramp and as a point beyond the end of the paved gore for the mainline roadway). The gore striping is comprised of solid 8- or 12-in.-wide lines. Pavement mark- ings are not required within the paved portion of the gore. If used, they consist of 24-in.-wide diagonal lines that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle). The spacing of the diagonal lines is 12 ft for the first 48 ft, 24 ft for the next 48 ft, and 48 ft thereafter. OKLAHOMA For an exit ramp with a tapered deceleration lane, gore strip- ing on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. Gore striping on the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved shoulder on the ramp begins (an unspecified distance beyond the point where the paved portion of the gore ends). The gore 134 striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 8 in. wide at 10-ft spacing are placed within the paved portion of the gore. A 4-in.-wide dotted line (3-ft segments with 12-ft gaps) followed by a 4-in.-wide broken lane line is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. For an exit ramp with a parallel deceleration lane, gore strip- ing on the mainline roadway starts at the beginning of the gore and ends at the point where the paved portion of the gore ends. Gore striping on the ramp starts at the beginning of the gore and ends at the point where the paved shoulder on the ramp begins (an unspecified distance beyond the point where the paved por- tion of the gore ends). The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 8 in. wide at 10-ft spacing are placed within the paved portion of the gore. OREGON For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved shoulders portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. An optional dotted line (2-ft segments with 6-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. Pavement markings within the paved portion of the gore are optional. If used, they may be 12-in.-wide diagonal lines that point at a 45° forward angle from the right edge line of the mainline lane (they do not inter- sect the left edge line of the ramp at a 45° forward angle) or 12-in.-wide chevrons. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved shoulders portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. PENNSYLVANIA For an exit ramp with a tapered deceleration lane, gore striping on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends 50 ft beyond the point where the paved portion of the gore ends, and gore strip- ing on the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. An optional 8-in.-wide dotted line (2-ft segments with 4-ft gaps) may be placed along the right- hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. Diagonal lines that are 24 in. wide at 16-ft spacing that point at

135 a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) or chevrons that are 24 in. wide at 16-ft spac- ing may be placed within the paved portion of the gore when visibility or sight distance of the gore is restricted. For an exit ramp with a parallel deceleration lane, gore striping on the mainline roadway starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends, and gore striping on the ramp starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 8-in.-wide lines. Diagonal lines that are 24 in. wide at 16-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) or chevrons that are 24 in. wide at 16-ft spacing may be placed within the paved portion of the gore when visibility or sight distance of the gore is restricted. RHODE ISLAND The gore striping is comprised of solid 12-in.-wide lines. Chevrons are used in the paved portion of the gore for exit ramps. The chevrons are 12 in. wide and spaced at 20-ft intervals. SOUTH CAROLINA For exit ramps, gore striping on the mainline roadway starts at the point where the full width of the ramp first becomes available and ends an unspecified distance beyond the point where the paved portion of the gore ends, and gore striping on the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines for entrance and exit ramps on express- ways and freeways and of solid 8-in.-wide lines for entrance and exit ramps on primary and secondary highways. There are no pavement markings within the paved portion of the gore. TENNESSEE For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. A 6-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent main- line lane from the point where the exit ramp starts to the point where the gore striping starts. Chevrons that are 12 in. wide and spaced at 20-ft intervals are used in the paved portion of the gore after the width of the gore becomes 6 ft. If the gore area is so short that at least five chevrons cannot be placed within the gore, the chevrons are omitted from the gore area. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevrons that are 12 in. wide and spaced at 20-ft intervals are used in the paved portion of the gore after the width of the gore becomes 6 ft. If the gore area is so short that at least five chevrons can- not be placed within the gore, the chevrons are omitted from the gore area. TEXAS For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved shoulders portion of the gore ends. The gore striping is comprised of solid 8-in.- wide lines. A 4-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent main- line lane from the point where the ramp starts to the point where the gore striping starts. Diagonal lines that are typically 24 in. wide, but no less than 12 in. wide, at 20-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved por- tion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved shoulders portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Diagonal lines that are typically 24 in. wide, but no less than 12 in. wide, at 20-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved portion of the gore. UTAH For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. A 4-in.-wide dotted line (2-ft segments with 6-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping

is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. VERMONT For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 12-in.-wide lines. A 4-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. Diagonal lines that are 12 in. wide at 7-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) may be placed within the paved portion of the gore to increase visibility because of difficult vertical or horizontal alignment. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 12-in.-wide lines. Diagonal lines that are 12 in. wide at 7-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) may be placed within the paved portion of the gore to increase visi- bility because of difficult vertical or horizontal alignment. VIRGINIA For an exit ramp with a parallel deceleration lane, gore strip- ing on the mainline roadway starts at the point where the gore starts and ends 150 ft beyond the point where the paved por- tion of the gore ends, and gore striping on the ramp starts at the point where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Pavement markings are not required within the paved portion of the gore. If used, chevrons that are 24 in. wide at 8-ft spacing are placed within the paved portion of the gore. WASHINGTON For an exit ramp with a tapered deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends at the point where 136 the paved portion of the gore ends. The gore striping is com- prised of solid 8-in.-wide lines. There are no pavement mark- ings within the paved portion of the gore. Raised pavement markers forming diagonal lines that point at a 45° forward angle from the right edge line of the main- line lane (they do not intersect the left edge line of the ramp at a 45° forward angle) may be placed within the paved por- tion of the gore to increase visibility. WEST VIRGINIA For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends 25 ft beyond the Exit Gore sign. The gore striping is comprised of solid 6- to 8-in.-wide lines. A 4-in.-wide dot- ted line (2-ft segments with 13-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point where the exit ramp starts to the point where the gore striping starts. Diagonal lines that are 24 in. wide at 8- to 12-ft spac- ing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends 25 ft beyond the Exit Gore sign. The gore striping is comprised of solid 6- to 8-in.- wide lines. Diagonal lines that are 24 in. wide at 8- to 12-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved portion of the gore. WISCONSIN For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of 8-in.-wide solid lines. A 4-in.-wide dotted line (3-ft segments with 12-ft gaps) is placed along the right-hand side of the adjacent main- line lane from the point where the exit ramp starts to the point where the gore striping starts. Optional diagonal lines that are 24 in. wide at 8- to 25-ft spacing that point at a 45° forward angle from the right edge line of the mainline lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts at the point where the gore starts and ends 50 ft beyond the point where the paved portion of the gore ends. The gore striping is comprised of 8-in.-wide solid lines. Optional diag-

137 onal lines that are 24 in. wide at 8- to 25-ft spacing that point at a 45° forward angle from the right edge line of the main- line lane (they do not intersect the left edge line of the ramp at a 45° forward angle) are placed within the paved portion of the gore. WYOMING For an exit ramp with a tapered deceleration lane, gore strip- ing on both the mainline roadway and the ramp starts at the point where the full width of the ramp first becomes available and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. An optional 4-in.-wide dotted line (2-ft segments with 6-ft gaps) may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. There are no pavement markings within the paved portion of the gore. For an exit ramp with a parallel deceleration lane, gore striping on both the mainline roadway and the ramp starts where the gore starts and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. PUERTO RICO For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends at the point where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 12 in. wide at 7-ft (shown as 2.0-m) spacing are placed within the paved portion of the gore. An optional dotted line may be placed along the right-hand side of the adjacent mainline lane from the point where the ramp starts to the point where the gore striping starts. For an exit ramp with a parallel deceleration lane, gore striping on both the exit ramp and the mainline roadway starts at the beginning of the gore and ends at the point where the paved portion of the gore ends. The gore striping is com- prised of solid 8-in.-wide lines. Chevron stripes that are 12 in. wide at 7-ft (shown as 2.0-m) spacing are placed within the paved portion of the gore. NEW YORK, NY For an exit ramp with a tapered deceleration lane, gore strip- ing on both the exit ramp and the mainline roadway starts at the point where the full width of the ramp first becomes avail- able and ends an unspecified distance beyond where the paved portion of the gore ends. The gore striping is comprised of solid 8-in.-wide lines. Chevron stripes that are 16 in. wide at an unspecified spacing are placed within the paved portion of the gore. An 8-in.-wide dotted line (2-ft segments with 4-ft gaps) is typically placed along the right-hand side of the adja- cent mainline lane from the point where the ramp starts to the point where the gore striping starts. No standards were found for: Alaska South Dakota Arkansas District of Columbia Idaho Charlotte, NC Maine Los Angeles, CA New Jersey Tucson/Pima County, AZ New Mexico

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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 356: Pavement Markings—Design and Typical Layout Details identifies variations in pavement marking designs, practices, and policies, as provided by 48 of 50 state departments of transportation, and transportation agencies from the District of Columbia, Puerto Rico and four cities.

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