<title>Abstract</title>Cycling as a mode of transportation has many advantages for both cyclists and society: it is a low-cost, low-polluting, health-improving way to travel. In light of these benefits, a growing number of cities throughout the world are implementing policies to promote cycling, though they...

Researchers in the transportation field rely heavily on traditional random-digit-dialing phone surveys and increasingly on online surveys. Many studies have looked at the strengths and weaknesses of the two methods, but few have examined differences in the inferences that can be drawn from the...