Traffic Congestion

The Federal Highway Administration has quietly acknowledged the end of the Driving Boom, cutting its VMT forecast by 24-44 percent. This represents a major change in travel forecasting and planning.
Jan 8, 2015   U.S. Pirg
Blog Post
INRIX provides traffic data that drivers can use to anticipate and avoid congestion. Many motorists and businesses willingly pay for this valuable information. So why must they exaggerate congestion costs? It’s a classic case of overselling. Blog Post
Oct 14, 2014   By Todd Litman
Blog Post
Imagine that during your annual physical your physician measures just one health indicator, such as blood pressure, ignoring all others including weight, reflexes, cognitive function, diet, exercise and blood chemistry. It’s time for a new physician! Blog Post
Sep 29, 2014   By Todd Litman
California planning expert Bill Fulton discusses a long-awaited proposal from the Governor's Office of Planning and Research that would shift the state's traffic impact assessments away from their current focus on traffic congestion.
Aug 10, 2014   California Planning and Development Report
A new study finds that Salt Lake City's TRAX light-rail system significantly reduces traffic on parallel roadways. It estimates that a LRT line reduces daily from 44,000 (if it did not exist) to 22,300 (what actually occurs) on one arterial.
Jun 26, 2014   Effect of Light-Rail Transit on Traffic in a Travel Corridor
Although transport planners consider traffic congestion economically harmful, economic productivity tends to increase with congestion and decline with increased road supply. This paradox can be explained by more nuanced analysis of accessibility.
Jun 24, 2014   The Vancouver Sun
Blog Post
I will be speaking about ways to identify truly optimal solutions to traffic congestion at the Solving Gridlock Forum next Monday in Toronto. Blog Post
Jun 11, 2014   By Todd Litman
Robert Bruegmann, professor emeritus of art history, architecture, and urban planning at the University of Illinois at Chicago, defends the recent attacks against Atlanta, especially regarding its sprawling footprint.
May 17, 2014   Politico
Blog Post
The Status of the Nation’s Highways, Bridges, and Transit: Conditions and Performance, Report To Congress (C&P) is intended to provide decision-makers with an objective appraisal of the physical conditions and operational performa Blog Post
May 8, 2014   By Todd Litman
My recent Planetizen column, Smarter Congestion Solutions in 2014, discusses best practices for traffic congestion evaluation. Blog Post
Jan 3, 2014   By Todd Litman
Most people consider traffic congestion wasteful and frustrating, but there are contentious debates concerning which solution is best: whether to expand roadways, improve rail or bus transit services, apply road pricing, or implement transportation demand management strategies. Blog Post
Dec 29, 2013   By Todd Litman