Traffic Congestion

November 29, 2017, 5am PST
After decades of big, expensive plans, diverting cars from a busy streetcar route will make a bigger difference to commuters for far less money.
The Globe and Mail
November 11, 2017, 9am PST
The ride-sharing company produces a terrific illustration of how bad Bangkok traffic can be, but not how Uber would help.
Streetsblog USA
October 11, 2017, 2pm PDT
Due to the high level of existing congestion, the Metropolitan Transportation Commission warns motorists that the new I-680 Contra Costa Express Lanes will offer relief just before and after the peak commute hour.
SF Gate
September 29, 2017, 7am PDT
Seattle appears to be following the Vancouver, B.C. model by increasing population and residential density while investing in transit. If it works, traffic congestion will not deteriorate, and vehicle trips should drop.
Governing
September 18, 2017, 1pm PDT
Vietnam's capitol city Hanoi, following other South East Asian country restrictions on mopeds and two-wheeled vehicles, approves a controversial ban.
Saigoneer
March 6, 2017, 11am PST
Herbie Huff of the UCLA's Lewis Center and Institute of Transportation Studies pens a well-reasoned opinion for the Los Angeles Times as to why a market-based strategy to manage demand is the best approach to traffic congestion in Los Angeles.
Los Angeles Times
February 28, 2017, 5am PST
The new INRIX Traffic Scorecard uses "big" data to calculate congestion costs. Like previous studies, it exaggerates traffic congestion costs and roadway expansion benefits.
City Observatory
Blog post
January 27, 2017, 12pm PST
The annual Urban Mobility Report (UMR), published by Texas Transportation Institute (TTI), should come with a warning label.
Todd Litman
December 6, 2016, 8am PST
Bikeshare programs were first introduced in the U.S. seven years ago. Outside Magazine investigates whether they "are actually benefiting cities and their residents."
Outside
December 5, 2016, 2pm PST
Technology startup Parkifi seeks to use the Internet of Things to address the long-lamented problem of congestion created by drivers seeking parking.
The Denver Post
May 23, 2016, 10am PDT
The $1.5 billion, 6.6-mile light rail extension from Culver City to Santa Monica is projected to double trips on the line by 2030, giving commuters a viable alternative to driving. Just the same, don't expect the extension to reduce congestion.
Wired
March 25, 2016, 8am PDT
TomTom's annual traffic congestion rankings predictably generated horrified, self-pitying headlines about awful congestion in top-ranked cities. But there are big problems with their methodology.
City Observatory
September 3, 2015, 8am PDT
A curious discrepancy between two major congestion reports using the same data: There is a profound and unexplained discrepancy between the travel trends in the latest Urban Mobility Scorecard report and the data provided by Inrix.
City Commentary
September 2, 2015, 11am PDT
The University of Michigan Transportation Research Institute released its eighth report on peak motorization in the U.S., an evaluation of time spent traveling for a broad category of purposes, not just work. From 2004 to 2014, total time decreased.
The University of Michigan Transportation Research Institute
August 27, 2015, 8am PDT
The Texas Transportation Institute's latest Urban Mobility Scorecard claims, that "TRAFFIC GRIDLOCK SETS NEW RECORDS FOR TRAVELER MISERY." This critique by the Frontier Group puts their hyperbole into perspective. No need to panic!
Frontier Group
Blog post
August 26, 2015, 1pm PDT
The new Urban Mobility Scorecard measures traffic congestion with greater precision, but incorrectly. As with previous editions, it exaggerates congestion costs and undervalues the congestion reduction benefits of alternative modes and Smart Growth.
Todd Litman
August 9, 2015, 7am PDT
Facing record-level population growth and a booming job market, the city of San Francisco wants luxury developers to pay into the public transit system.
CityLab
May 7, 2015, 1pm PDT
Certain intersections stand to gain from losing their traffic lights. According to this study, cities can save money and improve safety by uninstalling signals in low-traffic zones.
CityLab
January 8, 2015, 7am PST
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.
U.S. Pirg
Blog post
October 14, 2014, 12pm PDT
The new INRIX congestion costing report is another good example of bad analysis. We just want accurate information; hold the hyperbole, please.
Todd Litman