By Michael de Yoanna Jan 29, 2016
 New research suggests sharrows aren't as effective for bicycle safety as bicycle lanes. (Courtesy Flickr user Elly Blue/Creative Commons)
You've probably seen the white outline of a bicycle painted on the road
with two arrows. That symbol is called a sharrow. It means that drivers
and bicyclists are expected to share the lane. Since sharrows were
first implemented in Denver two decades ago, they've spread
throughout the United States and even abroad.
Sharrows are distinguished from formal bike lanes, which are a separate lane for bicycles, and endorsed as a way cities can keep cyclists safe. But University of Colorado Denver associate professor of engineering Wesley Marshall, along with doctoral candidate Nicholas Ferenchak, studied sharrows in Chicago. They suggest that sharrows aren't as effective for bicycle safety as bicycle lanes. The two plan to submit their research to the journal Accident Analysis and Prevention. Ferenchak spoke with Colorado Matters host Nathan Heffel. |
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