Bicycle Box

Bicyclists rides their bikes down Market Street on Bike to Work Day May 13, 2010 in San Francisco. (Justin Sullivan/Getty Images)

San Francisco’s Newest Bicycle Improvements Literally Glow

The new reflective green bike boxes at two busy intersections of Market Street are the first to use thermoplastic materials that shine at night.

CONNECT WITH KCBS–04/01/2011

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