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Eyes on the Street: Market and 10th Get New Bike Lane Design
Posted By Matthew Roth On March 11, 2010 @ 4:22 pm In Bicycle Plan,Bicycling,Market Street | 9 Comments
After experimenting with one configuration for soft-hit posts  for a few weeks along Market Street approaching 10th Street, the MTA has changed the configuration to give cyclists more room in approaching the intersection. The new soft hit posts extend from just before the intersection at 11th Street and Market up to 10th Street in the eastbound direction and the lane has a larger painted buffer.
As could be expected with any new treatment, users weren't exactly sure what they were supposed to do. A number of cars turned in to the bus, taxi, and commercial vehicle-only lane, only to adjust later by driving through the spaces in the soft hit posts, using the crosswalk to sneak in, or pushing their luck with the PCO stationed at 10th Street, who inevitably turned them anyway.
Many cyclists were confused as well, continuing into the right-hand turn lane before realizing a wide-open swath of pavement to the left that was designated for them (granted, a couple more "e"s are still needed). Most moved over between the posts before the intersection.
Of course, if it wasn't completely obvious to motorists that they couldn't proceed, this PCO was happy to direct them onto 10th Street. He told me he had been working the mandatory turn intersections off-and-on since September, when the trials first started. While some motorists were confused, he said it was a great help to be able to park his Interceptor and to be flanked by the big "Lane Closed" sign.
Given the very recent change, users should expect a transition period where the new configuration becomes more familiar. A traffic engineer rule of thumb is to wait at least thirty days before gauging the success of significant changes.
Some got it right away:
Some obviously need to take another lap:
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URL to article: http://sf.streetsblog.org/2010/03/11/eyes-on-the-street-market-and-10th-get-new-bike-lane-design/
URLs in this post:
 configuration for soft-hit posts: http://sf.streetsblog.org/2010/02/24/eyes-on-the-street-market-street-bike-lane-puts-the-squeeze-on-cyclists/
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