induced traffic

A tool to estimate the added VMT from highway expansions

By Michael Brenneis and Eric Sundquist Since passage of S.B. 743 in 2013, California agencies have wrestled with questions around the added travel and emissions resulting from land use and transportation projects. On the land use side, see SSTI’s recent webinars about land-use review reforms in

Bridging the gap between research and practice: new study on the role of induced vehicle travel

By Mary Ebeling A newly released study sponsored by CalTrans offers a thorough review and analysis of research and practice related to the limitations of existing travel forecasting models. The authors focus on limitations in forecasting induced vehicle travel generated by adding lane miles

Highway capacity won’t relieve congestion or lower emissions, studies conclude

By Eric Sunquist A commonly cited strategy to achieve lower emissions and energy use is highway capacity expansion intended to reduce delay. Such a strategy, which has justified many a CMAQ project, is straightforward and appealing to motorists who dislike traffic. But, as a new brief from

Neither roads nor public transit will help?

In the October 2011 issue of the American Economic Review, authors Gilles Duranton and Matthew A. Turner review traffic data from the years 1983 to 2003. Their article, “The Fundamental Law of Road Congestion: Evidence from US Cities,” finds that, for the time period reviewed, congestion