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…
In 1998, the city of Eugene, in coordination with the University of North Carolina Highway Safety Research Center, studied bicyclist and motorist interactions at two types of intersections- a standard right turn lane with a “pocket bike lane” at 13th Ave. and Willamette St., and a combined bike lane/turn lane at 13th Ave. and Patterson St.…
In 1999, the city of Portland, in coordination with the University of North Carolina Highway Safety Research Center, released the results of a comprehensive study investigating the effectiveness of blue paint at enhancing safety and visibility at ten cyclist-motorist conflict intersections. The color blue was selected to avoid confusion with other colors which have significant meanings…
Where the 15th St. two-way cycle track intersects with O St. in Washington, D.C., the DDOT altered the configuration of the bikeway to enhance the visibility of northbound cyclists for left turning cars. Buffered parking was removed near the intersection and the divided bike lane swung closer to motorists to bring cyclists closer to traffic…
In July 2010, the city of Washington, D.C. (DDOT) installed a contra-flow bike lane along New Hampshire Ave. leading towards the intersection of U and 16th streets. The purpose of the project was to facilitate a popular diagonal movement for cyclists heading southwest by reconfiguring a street with excess capacity and low traffic levels. The contra-flow…
The Sands St. two-way raised cycle track in Brooklyn, NY was constructed to provide a safe, protected route for cyclists connecting to the Manhattan Bridge and the planned Brooklyn Waterfront Greenway. Following the re-opening of the Manhattan Bridge north path to bicycle traffic in 2004, the percentage of bicyclists using Sands St. as a connector…
In the fall of 2007, the New York City Department of Transportation built the first on-street parking and signal protected bicycle facility in the United States on Ninth Avenue between 23rd Street and 16th Street in Manhattan. Ninth Avenue, a 70 ft.-wide avenue formerly dominated by motorists, was reduced from four unassigned traffic lanes to…
The city of Madison, WI utilizes bicycle signal detector loops to improve access and decrease wait times at signalized intersections for bicyclists. Two to four detector loops are installed along any approach where a local neighborhood road frequented by bicyclists meets a signalized intersection at an arterial road. Loops may also be installed on collector roads and…
Background New York City’s Allen and Pike Streets safety improvement pilot project demonstrates how cities are using relatively inexpensive treatments to improve the quality of life for residents and the business community. Excessive speeding and unpredictable movements, along with underutilized public space, raised safety and access issues to the most vulnerable road users. In…
In September 2008, the University of North Carolina Highway Research Center, in coordination with the State of Florida Department of Transportation, released a study on the effects of green colored pavement in the weaving area between a through bike lane and a right-turn lane for motor vehicles. The green color was installed in the dashed…