Traffic Congestion

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
The Texas A&M Transportation Institute (TTI) is out with its annual Urban Mobility Report. You'll probably hear a lot in the next day about how awful your city's traffic is. But you likely won't hear much about why that might not be so bad.
Feb 5, 2013   Slate
The increased proximity provided by more compact and centralized development is about ten times more influential than vehicle traffic speed on the number of destinations that people can reach within a given travel time.
Dec 26, 2012   Journal Of The American Planning Association
One of planners’ most important jobs is to help develop the indicators and frameworks use to define problems and evaluate potential solution. Often, a particular solution will seem cost effective and beneficial when evaluated one way, and wasteful and undesirable if evaluated another. Opinion
Nov 27, 2012   By Todd Litman
In a landmark ruling issued last week, the Delhi High Court upheld the use of New Delhi's streets for a 5.6-kilometer bus rapid transit corridor, in a blow to auto owners seeking have it removed for use by all traffic, including private vehicles.
Oct 26, 2012   The New York Times
Conventional planning tends to consider traffic congestion a significant cost and roadway expansion the preferred solution. It evaluates transport system performance based on indicators such as roadway Level of Service (LOS) Opinion
Sep 13, 2012   By Todd Litman
Eric Jaffe reports that taxing vehicle-miles traveled (VMT) is getting a closer look in cities across America. But will concerns over privacy and government competence scuttle a promising path to reducing congestion and increasing revenue?
Aug 28, 2012   The Atlantic Cities
Giving new meaning to the phrase "take back the streets," Neal Peirce writes about the arguments in favor of a "freeway free" future for the world's cities, which was the subject of a recent Rockefeller Foundation Conference held in Bellagio, Italy.
Aug 22, 2012   Citi Wire
As the new federal transportation bill, known as MAP-21, moves to the implementation stage, major finding decisions will ride on the nuances by which the U.S. DOT defines and measures "congestion," "roadway performance," and "cost effectiveness".
Aug 16, 2012   Streetsblog Capitol Hill
Congratulations to this year's high school, college and university graduates! The current crop includes our son, who was recruited by a major corporation. The location of his new job will affect his travel patterns and therefore the transportation costs he bears and imposes for the next few years: until now he could get around fine by walking, cycling and public transport, but his new worksite is outside the city center, difficult to access except by automobile. Opinion
Jun 3, 2012   By Todd Litman
With the Olympic games, and millions of visitors, descending on London this summer, Sarah Lyall looks at how the capital city is hoping to spare users of its ancient road network and temperamental subway system from a transportation nightmare.
May 29, 2012   The New York Times