Who Causes Bicycle Deaths?

by Patrick Appel

Freakonomics passes along a study:

[A]n analysis of police reports on 2,752 bike-car accidents in Toronto found that clumsy or inattentive driving by motorists was the cause of 90 percent of these crashes. Among the leading causes: running a stop sign or traffic light, turning into a cyclist’s path, or opening a door on a biker.