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Left-Side Bike Lanes

Left-side bike lanes are conventional bike lanes placed on the left side of one-way streets or two-way median divided streets.

Contra-flow bicycle lanes are bicycle lanes designed to allow bicyclists to ride in the opposite direction of motor vehicle traffic. They convert a one-way traffic street into a two-way street: one direction for motor vehicles and bikes, and the other for bikes only. Contra-flow lanes are separated with yellow center lane striping.

Buffered Bike Lanes

Buffered bike lanes are conventional bicycle lanes paired with a designated buffer space separating the bicycle lane from the adjacent motor vehicle travel lane and/or parking lane. A buffered bike lane is allowed as per MUTCD guidelines for buffered preferential lanes (section 3D-01).

Conventional Bike Lanes

Bike lanes designate an exclusive space for bicyclists through the use of pavement markings and signage. The bike lane is located adjacent to motor vehicle travel lanes and flows in the same direction as motor vehicle traffic. Bike lanes are typically on the right side of the street, between the adjacent travel lane and curb, road edge, or parking lane.

Bike Lanes

A Bike Lane is defined as a portion of the roadway that has been designated by striping, signage, and pavement markings for the preferential or exclusive use of bicyclists. Bike lanes enable bicyclists to ride at their preferred speed without interference from prevailing traffic conditions and facilitate predictable behavior and movements between bicyclists and motorists. […]

Fell Street Queuing Lane and Green Bicycle Lanes, San Francisco, CA

Fell Street is a high-volume, three-lane, one-way arterial heading west. A Class II bike facility (bike lane) exists to the left of the left-most through vehicle lane on Fell Street. An Arco gas station popular for its low prices is located at the southeast intersection of Fell and Divisadero Streets and has two driveways on […]

Reseda Boulevard Bike Lanes and Sharrows, Los Angeles, CA

Reseda Boulevard is a major north-south highway in Los Angeles which crosses the West San Fernando Valley. As part of continued efforts by the city of Los Angeles and local advocacy groups to create safer corridors for non-motorized transportation, bike lanes have been installed along nearly the entire length of the 11-mile roadway, though two […]

Michigan Avenue Bike Lanes, Detroit, MI

Michigan Avenue is a major surface route that runs through downtown Detroit. In 2010, the Michigan Department of Transportation (MDOT) received American Recovery and Reinvestment Act (ARRA) funding to resurface a portion of the roadway. At public meetings held before construction, the community and the Greater Corktown Development Corporation of Detroit voiced a strong desire […]

South Huntington Avenue Bike Lanes, Boston, MA

The South Huntington Avenue Bike Lanes, installed by the city of Boston in 2010, create a safe, designated route for cyclists along a problematic traffic corridor and a main bicycle route leading to and from the Jamaica Plain neighborhood of Boston. Before construction of the bike lane, the roadway had been difficult for cyclists to […]

Division Street Buffered Bike Lane, San Francisco, CA

Division Street is a wide, high-volume, multi-lane arterial that runs under Highway 101 in central San Francisco. It connects two bike routes (along 14th St. and 11th St.) with Townsend Street, a street with a bike lane used by many cyclists to reach the Caltrain (commuter rail) station. Prior to implementation of the buffered bike […]

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