“Billions Spent on Roads and Transit Projects Are Often Based on Optimistic Forecasts,” headlines the Wall Street Journal last week. “Researchers have found that transportation planners frequently expect more people to use their road and transit projects than ultimately do so,” said the article. “Yet those optimistic forecasts become part of the justification for spending millions or billions of dollars on such projects,” which, the article goes on to say, is “wasting resources.”
Toll road under construction in Texas. Photo by Larry D. Moore.
Recent FTA studies found that transit projects overestimate ridership by an average of 21 percent, which the article claims “was an improvement over previous years.” As I pointed out a few weeks ago, the “improvement” came about because the FTA changed its frame of reference. While older studies looked at ridership projections made when local transit agencies decided to build the project, the newer studies looked at the projections made when the FTA itself began to subsidize the project. These two steps may be separated by several years. Continue reading
