Anthony Downs

Will Congestion Pricing Ever Catch On Here?
June 07, 2011

Those of us who drive to work in metropolitan areas across the U.S. know from experience that congestion hardly ever improves. Now a couple of researchers from the University of Toronto have reaffirmed what my colleague Anthony Downs has been saying for fifty years: “traffic congestion rises to meet maximum capacity.” In a forthcoming article in the American Economic Review (Google documents version via The Infrastructurist) Gilles Duranton and Mathew Turner examine new data on city level traffic from 1983 to 2003 and find that building more roads leads to more traffic. Why, you might ask?