‘Green wave’ signal timing for bicyclists expanding in San Francisco 

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Four new sets of “green waves” — modified traffic signals timed so that bicyclists encounter a series of green lights — are coming to The City, and three existing systems are being enhanced.

The $117,176 project funded with Proposition K dollars rides on the success of the Valencia Street green wave, which in January 2011 made San Francisco the first city in the world to provide a two-way green wave.

Its implementation on Valencia Street from 16th to 24th streets drew “overwhelming public support,” said San Francisco Municipal Transportation Agency spokesman Paul Rose.

In April 2012, that led to green waves on 11th Street between Howard and Harrison streets and 14th Street between Dolores and Folsom streets.

New two-way green waves will be implemented in spring for Arguello Boulevard from Lake to Clement streets, Folsom Street from 15th and 24th streets, Fulton Street from Laguna to Steiner streets, and North Point Street from Stockton to Polk streets.

The streets were selected for having high ridership. Green waves make bicycling more convenient while slowing vehicle traffic.

“Innovative additions like this will help The City reach its goal of 20 percent of trips by bike by 2020,” said San Francisco Bicycle Coalition spokeswoman Kristin Smith.

About The Author

Jessica Kwong

Jessica Kwong

Jessica Kwong covers transportation, housing, and ethnic communities, among other topics, for the San Francisco Examiner. She covered City Hall as a fellow for the San Francisco Chronicle, night cops and courts for the San Antonio Express-News, general news for Spanish-language newspapers La Opinión and El Mensajero,... more
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