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Shared Lane Markings

Shared Lane Markings

Shared Lane Markings

Shared Lane Markings (SLMs), or “sharrows,” are road markings used to indicate a shared lane environment for bicycles and automobiles. Among other benefits shared lane markings reinforce the legitimacy of bicycle traffic on the street and recommend proper bicyclist positioning. The shared lane marking is not a facility type, it is a pavement marking with a variety of uses to support a complete bikeway network.

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Reseda Boulevard Bike Lanes and Sharrows, Los Angeles, CA

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 […]

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Evaluation of Shared Lane Pavement Markings, San Francisco, CA

Evaluation of Shared Lane Pavement Markings, San Francisco, CA

In 2004, the San Francisco Department of Parking and Traffic conducted a study on the effects of different types of shared lane markings on cyclist and motorist behavior. Using before and after videotape data, the city investigated the impact of three different markings- bike-in-house, bike & chevron, and bike & separate arrow- to evaluate how each […]

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Second Street Sharrows and Green Lane, Long Beach, CA

Second Street Sharrows and Green Lane, Long Beach, CA

Second Street in the Belmont Shore area of Long Beach, California is a busy corridor which runs parallel to the beach. Many cyclists use the route as a connection between the beach, Orange County, and Ocean Boulevard. The street has significant motorized and pedestrian traffic, and bicyclists often choose to bicycle on the sidewalk rather […]

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Green Shared Lane, 200 South Street, Salt Lake City, UT

Green Shared Lane, 200 South Street, Salt Lake City, UT

The 200 South Street bike lanes in Salt Lake City extend a distance of approximately 3.9 miles from the University of Utah, through downtown, to the Jordan River Trail. The bike lanes are continuous except for a one block section downtown between Main St. and State St. A parking garage entrance/exit ramp on this block makes the […]

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Evaluation of Shared Lane Markings on Guadalupe Street, Austin, TX

Evaluation of Shared Lane Markings on Guadalupe Street, Austin, TX

In 2009, as part of an experiment coordinated between the Austin Street Smarts Task Force and the University of Texas’ Center for Transportation Research Center, the city of Austin installed shared lane markings on four multi-lane roadways to evaluate their impact on cyclist and motorist behaviors. Streets included in the study were all deemed too […]

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Bike Lane and Sharrows on 27th Avenue SE, Minneapolis, MN

Bike Lane and Sharrows on 27th Avenue SE, Minneapolis, MN

The 27th Ave SE bike lane in Southeast Minneapolis provides a key north-south connection between two major bicycle trails: East River Road and the University of Minnesota Transitway. The lane serves as a major corridor for bicyclists leading through several densely populated neighborhoods and affordable housing areas in SE Minneapolis. Before installation of the bike lanes, […]

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