National Academies Press: OpenBook

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

Chapter: Appendix M - Climbing or Passing Lanes

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Page 111
Suggested Citation:"Appendix M - Climbing or Passing Lanes." 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 M - Climbing or Passing Lanes." 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 112
Page 113
Suggested Citation:"Appendix M - Climbing or Passing Lanes." 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 113

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111 ALASKA A broken lane line starts at the beginning of the full-width lane and ends at 0.75D from the end of the full-width lane. (D is the advance placement distance in feet for warning signs using Condition A in Table 2C-4 of MUTCD.) Three lane-reduction arrows are used with the top tip of the arrows positioned as follows: at the end of the full-width lane, 0.375D from the end of the full-width lane, and 0.75D from the end of the full-width lane. Passing can be permitted in the opposite direction. ARIZONA A broken lane line starts at the beginning of the full-width lane and ends at 0.75D from the end of the full-width lane. (D is the advance placement distance in feet for warning signs per the MUTCD.) Lane-reduction arrows are not shown. Passing is prohibited in the opposite direction. For uphill passing lanes, the centerline for downhill traffic shall be solid from 500 ft in advance of the initial taper to 200 ft past the end of the terminal taper. CALIFORNIA A broken lane line starts 50 ft beyond the beginning of the full-width lane and ends at 0.75D from the end of the full- width lane. (D is the advance placement distance in feet for Lane Ends warning signs per the MUTCD.) Three lane-reduction arrows are used with the top tip of the arrows positioned as follows: at the end of the full-width lane, 200 ft from the end of the full-width lane, and 400 ft from the end of the full-width lane. Passing shall be prohibited in the opposite direction if the ADT exceeds 3,000. When the ADT is 3,000 or less, passing may be permitted in the opposite direction provided that one or more YIELD TO UPHILL TRAFFIC signs are installed. When a climbing lane is provided and it is necessary to prohibit trucks from passing slower moving vehicles, an 8-in. solid line shall be used in place of a standard broken lane line and a TRUCKS RIGHT LANE ONLY sign shall be placed at the beginning of the restriction and at approximately quarter- mile intervals. CONNECTICUT A white double broken line (10-ft segments with 30-ft gaps) starts at the beginning of the full-width climbing lane and ends 1,150 ft from the end of the full-width climbing lane. For the next 500 ft, a double line comprised of a solid line next to the permanent lane and a broken line (10-ft segments with 30-ft gaps) next to the climbing lane is used. For the last 650 ft of the full-width climbing lane, no lane line is used. Lane-reduction arrows are not shown. The treatments of climbing lanes through portions of road- ways where entrance or exit ramps enter or exit the roadway are also shown, as is the treatment of a climbing lane that is on an entrance ramp. GEORGIA A broken lane line starts at the beginning of the full-width passing lane and ends at a specified distance from the end of the full-width lane based on the posted speed limit (350 ft for 55 mph, 275 ft for 45 mph, and 200 ft for 35 mph). Lane- reduction arrows are not shown. Passing can be permitted in the opposite direction. Regardless of which side or sides of the roadway are widened, drivers are always directed into the right lane when they are approaching a passing lane area. This is done by pro- viding a painted median for the first two-thirds of the transi- tion taper. The painted median, which includes 24-in.-wide diagonal stripes between two sets of double yellow center- lines, goes from no width to a width of 8 ft during this dis- tance. After the painted median has become 8 ft wide, a 100-ft taper is used to open up the left lane for faster traffic. IDAHO A broken lane line starts at the beginning of the full-width passing lane and ends 200 ft from the end of the full-width lane. A dotted line (2-ft segments with 4-ft gaps) connects the double yellow centerline at the beginning of the shifting taper with the beginning of the broken lane line to encourage driv- ers to move into the right lane at the beginning of the pass- ing lane area. The use of lane-reduction arrows is optional. If used, three lane-reduction arrows should be used with the top tip of the arrows positioned as follows: at the end of the full-width APPENDIX M Climbing or Passing Lanes

lane, 200 ft from the end of the full-width lane, and 400 ft from the end of the full-width lane. Passing can be permitted in the opposite direction. INDIANA The broken lane line starts at the beginning of the full-width climbing lane and ends 375 ft from the end of the full-width lane. Lane-reduction arrows are not shown. Passing can be permitted in the opposite direction. IOWA A broken lane line starts 250 ft beyond the beginning of the full-width climbing lane and ends 550 ft from the end of the full-width lane. Lane-reduction arrows are not shown. Passing can be permitted in the opposite direction. KANSAS A broken lane line starts at the beginning of the full-width lane and ends at 0.75D from the end of the full-width lane. (D is the distance in feet from the W4-2 sign to the end of the full-width lane.) Lane-reduction arrows are not shown. A 6-in.-wide dotted line (2-ft segments with 4-ft gaps) connects the centerline at the beginning of the shifting taper with the beginning of the broken lane line to encourage drivers to move into the right lane at the beginning of the passing lane area. Passing can be permitted in the opposite direction. KENTUCKY A broken lane line starts at the beginning of the full-width lane and ends at 0.75D from the end of the full-width lane. (D is the advance placement distance in feet for warning signs using Condition A in Table 2C-4 of MUTCD.) Lane- reduction arrows are not shown. Passing can be permitted in the opposite direction. MASSACHUSETTS A lane line starts at the beginning of the full-width climbing lane and ends at the end of the full-width climbing lane. The lane line is comprised of 100-ft segments with 10-ft gaps. Lane-reduction arrows are not shown. Passing can be permitted in the opposite direction if sight distance allows. Passing can also be permitted in the climbing 112 lane direction if sight distance allows, thus creating a third available lane when there is a sufficient gap in opposing traffic. MINNESOTA Passing lanes and climbing lanes are marked in different manners. When a passing lane section is provided, passing lanes are constructed for both directions of traffic. A painted median marked with diagonal stripes is provided to move all traffic into the newly formed right lane by means of a shifting taper. A no- passing zone that is at least 500 ft in length is provided before the painted median. At the end of the painted median, a broken lane line begins and the painted median abruptly ends with a line that is perpendicular to the centerline. The broken lane line ends 150 ft from the end of the full-width passing lane. (Fig- ure 7.4 in Minnesota’s Traffic Engineering Manual shows the broken lane line ending at the end of the full-width passing lane, but Note 2 says it should end 150 ft from the end of the full-width passing lane.) Lane-reduction arrows are not shown. When a climbing lane is provided, a broken lane line starts 50 ft beyond the beginning of the full-width lane and ends 200 ft from the end of the full-width lane. Lane-reduction arrows are not shown. Passing can be permitted in the oppo- site direction. MONTANA A broken lane line starts at the beginning of the full-width lane and ends at 0.75D from the end of the full-width lane. (D is the distance in feet from the W4-2 sign to the end of the full-width lane.) Lane-reduction arrows are not shown. Passing is prohibited in the opposite direction. NEW YORK When a climbing lane is provided, a broken lane line starts at the beginning of the full-width lane and ends 100 ft from the end of the full-width lane. Lane-reduction arrows are not shown. A partial barrier line (a 4-in.-wide solid line on the left- hand side and a 4-in.-wide broken line with 10-ft segments and 30-ft gaps on the right-hand side) connects the centerline at the beginning of the shifting taper with the beginning of the broken lane line to encourage drivers to move into the right lane at the beginning of the passing lane area. Passing can be permitted in the opposite direction. NORTH DAKOTA Passing can be permitted in the opposite direction.

113 OREGON A broken lane line ends at least 200 ft, but typically 375 ft (which is 0.75D where D is the 500-ft distance to the advance warning sign), from the end of the full-width lane. The start of the broken lane line is not specified. The use of lane-reduction arrows is optional. If used, a minimum of two lane-reduction arrows must be used with the top tip of the arrow nearest to the end of the lane typically placed 500 ft from the end of the full-width lane. Additional lane-reduction arrows are placed upstream with the spacing between the bottom of the downstream arrow and the tip of the upstream arrow being 200 ft. Passing can be permitted in the opposite direction. UTAH The broken lane line starts at the beginning of the full- width lane and ends at 0.75D from the end of the full-width lane. (D is the distance in feet from the W4-2 sign to the end of the full-width lane.) Lane-reduction arrows are not shown. Passing can be permitted in the opposite direction. WEST VIRGINIA Passing is prohibited in the opposite direction. WISCONSIN A broken lane line starts at the beginning of the full-width lane and ends 350 ft from the end of the full-width lane. Lane-reduction arrows are not shown. If the length of the shifting taper is at least 700 ft, a 4-in.- wide dotted line (3-ft segments with 12-ft gaps) connects the centerline at the beginning of the shifting taper with the beginning of the broken lane line to encourage drivers to move into the right lane at the beginning of the climbing or passing lane area. Passing can be permitted in the opposite direction. WYOMING The broken lane line starts at an unspecified distance down- stream of the beginning of the full-width lane and ends at 0.5D from the end of the full-width lane. (D is the distance in feet from the W4-2 sign to the end of the full-width lane.) Lane-reduction arrows are not shown. Passing can be permitted in the opposite direction. PUERTO RICO Passing can be permitted in the opposite direction. LOS ANGELES, CA Passing can be permitted in the opposite direction. No standards were found for: Alabama Arkansas Colorado Delaware Florida Hawaii Illinois Louisiana Maine Maryland Michigan Mississippi Missouri Nebraska Nevada New Hampshire New Jersey New Mexico North Carolina Ohio Oklahoma Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Vermont Virginia Washington District of Columbia Charlotte, NC New York, NY 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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