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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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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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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
