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

Chapter: Appendix P - Entrance Ramp Gores

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Suggested Citation:"Appendix P - Entrance 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 P - Entrance 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 124
Suggested Citation:"Appendix P - Entrance 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 125
Suggested Citation:"Appendix P - Entrance 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.
×
Page 125
Page 126
Suggested Citation:"Appendix P - Entrance 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.
×
Page 126
Page 127
Suggested Citation:"Appendix P - Entrance 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.
×
Page 127
Page 128
Suggested Citation:"Appendix P - Entrance 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 128

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122 ALABAMA For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing 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. There are no pavement markings within the paved portion of the gore. ARIZONA For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 5 ft apart. The gore striping is comprised of solid 12-in.-wide lines. A pair of 6-in.-wide broken lines (10-ft segments with 30-ft gaps) ending at the point where the full width of the ramp is no longer available is used to define the remainder of the gore. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. CALIFORNIA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore strip- ing is a solid 8-in. line. A 4-in.-wide broken line (7-ft seg- ments with 17-ft gaps) ending at the point where the full width of the ramp is no longer available is used to define the remain- der of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is a solid 8-in. line. There are no pavement markings within the paved portion of the gore. COLORADO For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts just before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues until the ramp and the mainline roadway are 6 ft apart. The gore striping is a solid 8-in. line. A 4-in.-wide broken line (10-ft segments with 30-ft gaps), ending exactly at the point where the line reaches the edge of the adjacent main- line lane, is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts just before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore striping is a solid 8-in. line. There are no pavement markings within the paved portion of the gore. CONNECTICUT For an entrance ramp with a parallel acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts 20 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues until the gore ends and the lanes become adjacent. The gore striping is a solid 8-in. line. There are no pavement markings within the paved portion of the gore. DELAWARE For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved (measured along the left edge line of the ramp—the end of the gore striping along the mainline APPENDIX P Entrance Ramp Gores

123 roadway is at the point on the right edge line where a per- pendicular line would line up with the end of the gore strip- ing on the ramp, which is a point that is less than 50 ft from where the gore becomes paved) and continues until the gore ends and the lanes become adjacent. 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 entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. 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. GEORGIA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore strip- ing is a solid 10-in.-wide line. A 5-in.-wide broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to de- fine the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 10-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. HAWAII For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 40 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore striping is a solid 8-in.-wide line. A broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved por- tion of the gore. The right edge line of the mainline roadway ends at the point where the ramp and the mainline roadway are 6 ft apart. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 40 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved. The gore striping is comprised of solid 8-in.-wide lines and continues until the gore ends and the lanes become adjacent. There are no pavement markings within the paved portion of the gore. ILLINOIS For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues until the ramp and the mainline roadway are 6 ft apart. The gore striping is a solid 8-in.-wide line. A broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved por- tion of the gore. The right edge line of the mainline roadway ends at the point where the gore between the entrance ramp and the mainline roadway becomes paved. For an entrance ramp with a parallel acceleration lane, gore striping on the entrance ramp starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and gore striping on the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved. The gore striping is comprised of solid 8-in.-wide lines and continues until the gore ends and the lanes become adjacent. There are no pavement markings within the paved portion of the gore. INDIANA For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends. The gore striping is comprised 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. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore.

IOWA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the left edge line of the mainline roadway are 28 ft apart. The gore striping is a solid 8-in. line. A 4-in.-wide bro- ken line (10-ft segments with 30-ft gaps), ending at the point where the ramp and the left edge line of the mainline road- way are 24 ft apart, is used to define the remainder of the left- hand side of the entrance ramp. There are no pavement mark- ings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. KANSAS For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. 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 entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 8-in.- wide lines. There are no pavement markings within the paved portion of the gore. MARYLAND For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the 124 entrance ramp and the mainline roadway becomes paved. The gore striping is comprised of solid 10-in.-wide lines and continues until the gore ends and the lanes become adjacent. 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 100-ft spacing for sharp angle gores are placed within the paved portion of the gore. If used, the last chevron stripe is placed 50 ft before the point where the gore width becomes 1 ft wide. MASSACHUSETTS For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved. The gore striping is comprised of solid 8-in.-wide lines and continues until the gore ends and the lanes become adjacent. Pavement mark- ings are not shown within the paved portion of the gore, but “rubble block” is shown as an option in this area unless travel is sometimes permitted in the breakdown lane (shoulder) of the mainline roadway. MICHIGAN For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends. The gore striping is comprised of solid 12-in.-wide lines. At the end 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 markings within the paved portion of the gore. MINNESOTA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore strip- ing is a solid 8-in.-wide line. There are no pavement mark- ings within the paved portion of the gore. The right edge line of the mainline roadway ends at the point where the ramp and the mainline roadway are 6 ft apart. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore.

125 MISSISSIPPI For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until 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. MISSOURI For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until 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 entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore stripes are 6 ft apart. The gore striping is a solid 8-in. line. A 4-in.-wide broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pave- ment markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. NEBRASKA For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at an unspecified dis- tance before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues until 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 entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 5 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore stripes are 5 ft apart. The gore striping is a solid 12-in. line. A 6-in.-wide broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 5 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. 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 entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore strip- ing is a solid 12-in.-wide line. A partial barrier line (a 6-in.- wide solid line on the gore side and a 6-in.-wide broken line with 10-ft segments and 30-ft gaps on the ramp side) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. The right edge line of the mainline roadway ends at the point where the ramp and the mainline roadway are 6 ft apart. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved. The gore striping is comprised of solid 12-in.-wide lines and continues until the gore ends and the lanes become adjacent. There are no pave- ment markings within the paved portion of the gore. NORTH CAROLINA For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the paved shoulders portion of the gore between the entrance ramp and the mainline roadway begins and continues until the paved roadways portion of the gore between the entrance ramp and the mainline roadway begins. The gore striping is a solid 8- or 12-in.-wide line. A 4-in.-wide broken line (10-ft segments with 30-ft gaps) end- ing at the point where the line reaches the edge of the adja- cent mainline lane is used to define the remainder of the left- hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. A 4- to 6-in.- wide dotted line (2-ft segments with 13-ft gaps) is placed

from the downstream end of the gore to the downstream end of the taper for the acceleration lane. Three through arrows at a 45° angle are placed at 100-ft intervals ending at the downstream end of the acceleration lane. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the paved shoulders portion of the gore between the entrance ramp and the mainline road- way begins and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 8- or 12-in.-wide lines. There are no pavement markings within the paved portion of the gore. A 4- to 6-in.-wide dotted line (2-ft segments with 13-ft gaps) is placed from the down- stream end of the gore to the downstream end of the taper for the acceleration lane. Three through arrows at a 45° angle are placed at 100-ft intervals ending at the downstream end of the acceleration lane. NORTH DAKOTA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues for 195 ft. The gore striping is a solid 8-in. line. A 4-in.-wide broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved por- tion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. OHIO For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts where the paved berm ends (and the paved gore begins) and continues until the ramp and the mainline roadway are 6 ft apart. The gore striping is a solid 8- or 12-in.-wide line. A bro- ken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the en- trance ramp. There are no pavement markings within the paved portion of the gore. The right edge line of the main- line roadway ends at the point where the gore between the entrance ramp and the mainline roadway are 6 ft apart. 126 For an entrance ramp with a parallel acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts where the paved berm ends (and the paved gore begins). The gore striping is comprised of solid 8- or 12-in.-wide lines and continues until the gore ends and the lanes become adja- cent. There are no pavement markings within the paved por- tion of the gore. OKLAHOMA For an entrance ramp with a tapered acceleration lane, gore striping on the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues to the end of the gore. Gore striping on the ramp starts at the point where the paved shoul- der on the ramp ends (an unspecified distance before the point where the gore between the entrance ramp and the mainline roadway becomes paved) and continues to the end of the gore. 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. For an entrance ramp with a parallel acceleration lane, gore striping on the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues to the end of the gore. Gore striping on the ramp starts at the point where the paved shoul- der on the ramp ends (an unspecified distance before the point where the gore between the entrance ramp and the main- line roadway becomes paved) and continues to the end of the gore. 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 entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. PENNSYLVANIA For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the en- trance ramp and the mainline roadway becomes paved and continues until 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

127 the gore ends to the point where the entrance ramp ends. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. RHODE ISLAND The gore striping is comprised of solid 12-in.-wide lines. Chevrons are not used in the paved portion of the gore for entrance ramps. SOUTH CAROLINA For entrance ramps, the gore striping on the ramp only (there is no special gore striping for the right edge line of the main- line roadway) starts an unspecified distance before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. 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 entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore striping is comprised of solid 8-in.-wide lines. A broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. A 6-in.-wide dotted line (2-ft segments with 4-ft gaps) is placed along the right-hand side of the adja- cent mainline lane from the point where the gore ends to the point where the entrance ramp ends. Chevrons that are 12 in. wide and spaced at 20-ft intervals are used in the paved por- tion of the gore until 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 entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adja- cent. The gore striping is comprised of solid 8-in.-wide lines. Chevrons that are 12 in. wide and spaced at 20-ft inter- vals are used in the paved portion of the gore until 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. TEXAS For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway be- comes paved and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. UTAH For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 3 ft apart. The gore striping is a solid 8-in.-wide line. A broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, there is no special gore striping for the right edge line of the mainline roadway or for the entrance ramp. The gore is de- fined by a continuation of the solid 4-in.-wide edge lines until the gore ends and the lanes become adjacent. There are no pavement markings within the paved portion of the gore. VERMONT For an entrance ramp with a tapered acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until 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. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 12-in.-wide lines. There are no pave- ment markings within the paved portion of the gore.

VIRGINIA For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. Pavement mark- ings 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 entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are 6 ft apart. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. WEST VIRGINIA For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts 25 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and contin- ues halfway to the point where the gore ends. The gore strip- ing is comprised of solid 6- to 8-in.-wide lines. A broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. A 4-in.-wide dotted line (2-ft segments with 13-ft gaps) is placed along the right-hand side of the adjacent mainline lane from the point even with where the gore striping ends on the ramp to the point where the entrance ramp ends. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts 25 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 6- to 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. WISCONSIN For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts 50 ft before the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues 128 until the gore ends. The gore striping is comprised of 8-in.- wide solid lines. There are no pavement markings within the paved portion of the gore. WYOMING For an entrance ramp with a tapered acceleration lane, gore striping on the entrance ramp only (there is no special gore striping for the right edge line of the mainline roadway) starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the ramp and the mainline roadway are the same distance apart as the width of the mainline roadway shoulder. The gore striping is a solid 8-in. line. A 4-in.-wide broken line (10-ft segments with 30-ft gaps) ending at the point where the line reaches the edge of the adjacent mainline lane is used to define the remainder of the left-hand side of the entrance ramp. There are no pavement markings within the paved portion of the gore. For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until the gore ends and the lanes become adjacent. The gore strip- ing is comprised of solid 8-in.-wide lines. There are no pave- ment markings within the paved portion of the gore. PUERTO RICO For an entrance ramp, gore striping on both the entrance ramp and the mainline roadway starts at the point where the gore between the entrance ramp and the mainline roadway becomes paved and continues until 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. NEW YORK, NY For an entrance ramp with a parallel acceleration lane, gore striping on both the entrance ramp and the mainline roadway starts an unspecified distance before the point where the gore between the entrance ramp and the mainline roadway be- comes paved and continues until the gore ends and the lanes become adjacent. The gore striping is comprised of solid 8-in.-wide lines. There are no pavement markings within the paved portion of the gore. No standards were found for: Alaska New Mexico Arkansas South Dakota Idaho District of Columbia Maine Charlotte, NC Nevada Los Angeles, CA New Jersey Tucson/Pima County, AZ

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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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