Separated bike lanes reduce health risks

A new study from Portland is finding that separated bike lanes, a treatment emerging in many North American cities, reduces the exposure of cyclists to health risks from the fine particulate matter from vehicle exhaust.  The study suggests that the horizontal distance from tail pipe sources is the key factor in reducing exposure.

The study can be accessed through the Bike Portland blog at:

http://bikeportland.org/2010/10/28/study-cycle-tracks-mean-better-air-quality-for-bikers-walkers-41754

Here’s one of my pics of Vancouver’s separated lanes along Dunsmuir St.

http://www.flickr.com/photos/luton/4776660410/

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