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87 CALIFORNIA The solid lane line between the turn lanes must be at least 100 ft in length. Lane line extensions through the intersection may be used. Lane line extensions are 4-in.-wide dotted lines (1-ft segments with 6-ft gaps). COLORADO Solid 8-in. lane lines are used to separate the two turn lanes and to separate the turn lanes from the adjacent through lane. Both of these solid 8-in. lane lines are extended through the intersection using either solid or dotted lines (2-ft segments with 4-ft gaps). When dotted lane line ex- tensions are used, the portion of the lane line extension from the stop line to the edge line extended of the cross street is a solid line. The extension of the line separating the right-most left-turn lane from the adjacent through lane extends into the intersection just far enough to allow left- turning vehicles in opposite directions to miss each other by at least 4 ft. FLORIDA A 6-in.-wide solid lane line is used between the two turn lanes. An 8-in.-wide solid lane line is used between the turn lanes and the adjacent through lane. The lane line between the two turn lanes is required to be extended through the intersection using a dotted line (2-ft segments with 4-ft gaps). The lane lines to the left and/or right of the turn lanes may also be extended through the inter- section using a dotted line (2-ft segments with 4-ft gaps) if engineering judgment indicates that this would be helpful to drivers. HAWAII Lane line extensions are 4-in.-wide dotted lines (2-ft seg- ments with 4-ft gaps). IDAHO The lane line between the two turn lanes is required to be extended through the intersection using a dotted line (2-ft segments with 4-ft gaps). When the volume of turning vehi- cles exceeds 200 per hour, a solid line is used for the exten- sion through the intersection of the lane line between the two turn lanes. INDIANA The lane line between the two turn lanes may be extended through the intersection using a dotted line. A dotted line is typ- ically comprised of 2-ft segments with 4-ft or longer gaps with a segment-to-gap ratio of no greater than 1 to 4. If two left-turn lanes are used in opposing directions, the lane line extensions should not be placed any closer than 30 ft from each other. KANSAS Lane line extensions are dotted lines (2-ft segments with 4-ft gaps). KENTUCKY Lane line extensions are dotted lines (3-ft segments with 6-ft gaps) of the same width as the line they extend. MARYLAND The solid lane line between the turn lanes and the adjacent through lane starts at the stop line and ends at the halfway point of the full-width turn lanes. A dotted line (3-ft segments with 9-ft gaps) is used from the halfway point to the end of the full-width turn lanes. The lane line between the two turn lanes is a broken line (10-ft segments with 30-ft gaps) that starts at the stop line and ends at the end of the full-width turn lanes. The lane line between the two turn lanes may be extended through the intersection using a dotted line (3-ft segments with 9-ft gaps). MICHIGAN A 4-in.-wide solid lane line is used between the two turn lanes and between the turn lanes and the adjacent through lane. These solid 4-in.-wide lane lines start at the point where the full width first becomes available for the two turn lanes. Lane line extensions are dotted lines (2-ft segments with 4-ft gaps). MONTANA The lane line between the two turn lanes may be extended through the intersection using a dotted line. A dotted line is typically comprised of 2-ft segments with 8-ft gaps. APPENDIX E Lane Lines for Dual Turn Lanes
NEVADA An 8-in.-wide solid lane line is used between the turn lane and the adjacent through lane, and an 8-in.-wide solid lane line is used between the two turn lanes. These lane lines start at the stop line and end at the beginning of the full-width turn lane. NEW HAMPSHIRE The lane line between the two turn lanes may be extended through the intersection using a dotted line. A dotted line is comprised of 2-ft segments with 6-ft gaps. NEW YORK The lane line between the two turn lanes may be extended through the intersection using a 4-in.-wide dotted line. A dot- ted line is typically comprised of 2-ft segments with 4-ft gaps. NORTH CAROLINA A 4-in. or 6-in.-wide solid lane line is used between the two turn lanes. This lane line starts at the stop line and ends at the midpoint of the full-width turn lanes. From the midpoint to the upstream end of the full-width turn lanes, a 4-in. or 6-in.- wide broken lane line (10-ft segments with 30-ft gaps) is used. A 4-in. or 6-in.-wide solid lane line is used between the turn lane and the adjacent through lane. This lane line starts at the stop line and ends at the beginning of the full-width turn lanes. The lane line between the two turn lanes is required to be extended through the intersection using a dotted line (2-ft segments with 8- or 13-ft gaps). OREGON The lane line between the two turn lanes may be extended through the intersection using a dotted line or a solid line. The dotted or solid line may be continued through a marked crosswalk. A dotted line is comprised of 2-ft segments with 6-ft gaps. PENNSYLVANIA The lane line between the two turn lanes may be extended through the intersection using a dotted line (2-ft segments with 4-ft gaps). RHODE ISLAND The lane line between the two turn lanes is required to be extended through the intersection using a dotted line (2-ft segments with 4-ft gaps). 88 SOUTH CAROLINA The lane line between the two turn lanes may be extended through the intersection using a dotted line (2-ft segments with 5-ft gaps). TENNESSEE Solid lane lines that are 4 in. wide are used between the two turn lanes and between the turn lane and the adjacent through lane. Both lane lines start at the stop line and end at the begin- ning of the full-width turn lanes. The lane line between the two turn lanes is typically ex- tended through the intersection using an 8-in.-wide dotted line (2-ft segments with 4-ft gaps). VIRGINIA The lane line between the two turn lanes is extended through the intersection using a dotted line (2-ft segments with 4-ft gaps). WASHINGTON A broken lane line is used between the two turn lanes. The lane line between the two turn lanes is extended through the intersection using a dotted line (2-ft segments with 6-ft gaps). WEST VIRGINIA The lane line between the two turn lanes may be extended through the intersection using a 4-in.-wide dotted line (0.5-ft segments with 2-ft gaps). WYOMING The lane line between the two turn lanes is typically extended through the intersection using either a dotted line (2-ft seg- ments with 6-ft gaps) or a solid line. DISTRICT OF COLUMBIA The lane line between the two turn lanes may be extended through the intersection using a 4-in.-wide dotted line (2-ft segments with 4-ft gaps). CHARLOTTE, NC The lane line between the two turn lanes may be extended through the intersection using a dotted line (2-ft segments with 4-ft gaps).
89 LOS ANGELES, CA A solid lane line is used between the two turn lanes. This lane line starts at the stop line and ends at the beginning of the full- width turn lanes. A solid lane line is used between the turn lane and the adjacent through lane. This lane line starts at the stop line and ends at the midpoint between the upstream end of the full- width turn lanes and the upstream end of the turn lane taper. The lane line between the two turn lanes may be extended through the intersection using a dotted line (1-ft segments with 8-ft gaps). TUCSON/PIMA COUNTY, AZ Solid lane lines that are 8 in. wide are used between the two turn lanes and between the turn lane and the adjacent through lane. Both lane lines start at the stop line and end at the begin- ning of the full-width turn lanes. The lane line between the two turn lanes is extended through the intersection using a 4-in.-wide dotted line (2-ft segments with 6-ft gaps). If two left-turn lanes are used in opposing directions, the lane line extensions typically cannot be placed any closer than 26 ft from each other. No standards were found for: Alabama Alaska Arizona Arkansas Connecticut Delaware Georgia Illinois Iowa Louisiana Maine Massachusetts Minnesota Mississippi Missouri Nebraska New Jersey New Mexico North Dakota Ohio Oklahoma South Dakota Texas Utah Vermont Wisconsin Puerto Rico New York, NY
