How to trigger Vehicle Traffic Loop Detectors After we published our original article (below) on this subject, we received the following from an engineer who seems to know what he’s talking about: “I read your article on triggering traffic signals with a bicycle and would like to tell you a […]

Arizona has the nation’s deadliest red-light runners, with three of the country’s worst cities for fatal intersection crashes, according to a study of federal transportation data obtained by USA TODAY.

Even moderate air pollution routinely found in many U.S. cities may trigger sudden deaths by changing heart rhythms in people with existing cardiac problems, according to extensive new scientific research.

An excerpt on traffic from Suburban Nation: The Rise of Sprawl and the Decline of the American Dream (North Point Press, 2000, pp. 88-94.) by Andres Duany, Elizabeth Plater-Zyberk, and Jeff Speck

Introduction It is possible that no invention has had as profound an effect on society as the passenger automobile. It did not take long after its introduction in the early part of this century for the auto to quickly become the primary means of transportation in the United States, where […]