Professor Alex Bigazzi's transportation study finds optimal walking and cycling speeds to reduce air pollution inhalation

Thursday, October 27, 2016 | By Lindsay Cashin

Cyclists should be riding at speeds between 12 and 20 kilometres per hour on city roads, while pedestrians should be moving at two to six kilometres per hour to minimize their inhalation of air pollution while still getting the health benefits of exercise, according to new research from the UBC Civil Engineering transportation group.

“The faster you move, the harder you breathe and the more pollution you could potentially inhale, but you also are exposed to traffic for a shorter period of time. This analysis shows where the sweet spot is,” said Alex Bigazzi, a UBC transportation expert in the department of civil engineering and school of community and regional planning who conducted this analysis.

Related stories appeared in: Fast Company, CBC Radio, CBC News, Vancouver Sun, The Province, Daily Mail, Cycling Weekly UK, Ottawa Citizen, Ottawa Sun, Toronto Sun, Citylab, Bristol Post, and

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