Should cities build specialized roadways for cyclists?
Correction, July 15, 2010: This piece originally misspelled the name of the musician David Byrne. It also said bicyclists could cycle 20 kilometers to hit all green lights on Copenhagen's bicycle superhighways; it should have said 20 kilometers per hour. (Return to the the corrected paragraphs.)
Tom Vanderbilt is author of Traffic: Why We Drive the Way We Do, now available in paperback. He is contributing editor to Artforum, Print, and I.D.; contributing writer to Design Observer; and has written for many publications, including Wired, the Wilson Quarterly, the New York Times Magazine, and the London Review of Books. He blogs at howwedrive.com and lives in Brooklyn, N.Y. You can follow him on Twitter at www.twitter.com/tomvanderbilt.
Illustration by Mark Alan Stamaty.