Joel Fajans

About Joel Fajans (Edit profile)

Joel Fajans is professor of Physics at the University of California, Berkeley (joel@physics.berkeley.edu)

Why Bicyclists Hate Stop Signs

Joel Fajans and Melanie Curry

A bike commuter has a lot to consider before leaving for work. What route to take, considering hills and traffic? What clothes to wear, considering ease of movement, comfort, perspiration, distance, and weather? But these questions fade when compared to the safety, speed, and energy issues bicyclists deal with en route. Transportation planners know that incorporating bicycles into the transportation system can help ease traffic congestion by substituting bikes for cars; they also Why 1know that mixing cars and bikes can be tricky. But they seldom account for the bicyclist's concerns-matters that don't occur to the typical car-driving planner. Unless planners take bicyclists' concerns seriously, their efforts will do little to increase the numbers of bicycles or help bicyclists and drivers coexist safely.

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