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

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112 lane, 200 ft from the end of the full-width lane, and 400 ft lane direction if sight distance allows, thus creating a third from the end of the full-width lane. available lane when there is a sufficient gap in opposing traffic. Passing can be permitted in the opposite direction. MINNESOTA INDIANA Passing lanes and climbing lanes are marked in different manners. 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 When a passing lane section is provided, passing lanes are lane. Lane-reduction arrows are not shown. constructed for both directions of traffic. A painted median marked with diagonal stripes is provided to move all traffic into Passing can be permitted in the opposite direction. 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 IOWA lane line begins and the painted median abruptly ends with a A broken lane line starts 250 ft beyond the beginning of the line that is perpendicular to the centerline. The broken lane line full-width climbing lane and ends 550 ft from the end of the ends 150 ft from the end of the full-width passing lane. (Fig- full-width lane. Lane-reduction arrows are not shown. ure 7.4 in Minnesota's Traffic Engineering Manual shows the broken lane line ending at the end of the full-width passing Passing can be permitted in the opposite direction. 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. KANSAS When a climbing lane is provided, a broken lane line starts 50 ft beyond the beginning of the full-width lane and ends A broken lane line starts at the beginning of the full-width 200 ft from the end of the full-width lane. Lane-reduction lane and ends at 0.75D from the end of the full-width lane. arrows are not shown. Passing can be permitted in the oppo- (D is the distance in feet from the W4-2 sign to the end of the site direction. full-width lane.) Lane-reduction arrows are not shown. A 6-in.-wide dotted line (2-ft segments with 4-ft gaps) MONTANA connects the centerline at the beginning of the shifting taper with the beginning of the broken lane line to encourage A broken lane line starts at the beginning of the full-width drivers to move into the right lane at the beginning of the lane and ends at 0.75D from the end of the full-width lane. passing lane area. (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. Passing is prohibited in the opposite direction. KENTUCKY NEW YORK 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. When a climbing lane is provided, a broken lane line starts at (D is the advance placement distance in feet for warning the beginning of the full-width lane and ends 100 ft from the end signs using Condition A in Table 2C-4 of MUTCD.) Lane- of the full-width lane. Lane-reduction arrows are not shown. reduction arrows are not shown. A partial barrier line (a 4-in.-wide solid line on the left- Passing can be permitted in the opposite direction. 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 MASSACHUSETTS the broken lane line to encourage drivers to move into the right lane at the beginning of the passing lane area. 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 Passing can be permitted in the opposite direction. lane line is comprised of 100-ft segments with 10-ft gaps. Lane-reduction arrows are not shown. NORTH DAKOTA Passing can be permitted in the opposite direction if sight distance allows. Passing can also be permitted in the climbing Passing can be permitted in the opposite direction.

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