Todd Litman's Posts

A significant portion of vehicle travel consists of chauffeuring: additional travel to transport a non-driver. The new Chauffeuring Burden Index calculates its direct and indirect costs. Why do these costs receive such little attention in planning? Opinion
Sep 2, 2014   By Todd Litman
Demographia's International Housing Affordability Surveys are widely used to compare cities and evaluate urban development policies, but there are good reasons to question their analysis methods, starting with their definition of "house." Opinion
Aug 15, 2014   By Todd Litman
A new study, "Community Design, Street Networks, and Public Health" published in the Journal of Transport & Health finds that increased local street connectivity improves public health outcomes, apparently by encouraging more walking and cycling.
Aug 12, 2014   Denver Business Journal
The "9x18" design team (named after the dimensions of a standard parking space) has evaluated and reimagined New York's parking regulations so they reflect actual parking demand and support affordable housing goals.
Jul 30, 2014   Architizer
A new RAND Corporation study models motorization growth rates and saturation levels, and identifies potential policies to encourage more efficient transportation in developing countries.
Jul 27, 2014   The Future of Driving in Developing Countries
New research can help planners understand how specific decisions will affect transport activity (how and how much people travel), and their ultimate economic, social, and environmental impacts. Opinion
Jul 14, 2014   By Todd Litman
If/Then, a new Broadway musical, describes two possible lives of a dynamic, intelligent, glamorous, detail-oriented, and somewhat wonky urban planner. The character is based on Amanda Burden, who recently-retired as New York City's planning director.
Jul 7, 2014   If/Then The Musical
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
Conventional evaluation often exaggerates congestion costs by using baseline travel speeds which exceed speed limits. This assumes that traffic speed compliance is a congestion cost that justifies major infrastructure investments to alleviate. Opinion
Jun 11, 2014   By Todd Litman