San Francisco’s bike lanes lead to fewer fatalities for motorists, too
The study in the Journal of Transport & Health — which delves into bicycle and road safety data over 13 years from a dozen U.S. cities, including San Francisco — suggests that the more protected and separated bike lanes that are built, the fewer fatalities and better overall road safety for motorists, too.
“The idea was to look at safety as a health impact,” said co-author Wes Marshall, a professor of civil engineering at the University of Colorado Denver. “Right now we treat this as the cost of doing business — trading efficiency for more risk.”
Unlike many previous studies that have looked across all accidents, including minor fender benders, this study focused on the more serious incidents, amounting to more than 17,000 deaths and 77,000 severe injuries.
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