Bicycles in American Highway Planning: The Critical Years of Policy-Making, 1969-1991

The United States differs from other developed nations in the extent to which its national bicycle transportation policy relies on the use of unmodified roadways, with cyclists obeying the same traffic regulations as motor vehicles. This policy--known as "vehicular cycling"--evolved between 1969, when the "10-speed boom" saw a sharp increase in adult bicycling, and 1991, when the American Association of State Highway and Transportation Officials adopted an official policy that on-road bike...