June 5, 2018, 1pm PDT
Caltrans is studying a plan to widen 16 miles of Interstate 80 through Solano and Yolo counties, over the Yolo Bypass. Initially, the plan called for a carpool lane, but uncertainty about funding makes a toll lane a possibility.
May 4, 2018, 2pm PDT
A survey of recent planning decisions demonstrates that cities are no longer necessarily looking to more and bigger highways to solve their traffic problems.
April 20, 2018, 11am PDT
The folks over at City Observatory brew up a "Cappuccino Congestion Index" to show that anything can be shown to cost Americans vast sums of money.
April 19, 2018, 6am PDT
The compelling reason behind Boston's looking at congestion pricing is traffic congestion, unlike Seattle where it is being viewed as a major way to reduce greenhouse gas reductions and fund public transit.
March 22, 2018, 11am PDT
Though a handful of recent articles predicted "peak Silicon Valley," new numbers show the region is still producing lots of good jobs and attracting plenty of venture capital.
February 13, 2018, 5am PST
Congestion pricing, done right (details matter), mitigates a downside of urban density: traffic congestion. Professor John Rennie Short explores the history of congestion pricing, its application in Singapore and London, and why it's good for NYC.
January 5, 2018, 8am PST
Navigation apps like Waze often reroute drivers onto residential streets that would be quiet otherwise. With some residents unable to leave their driveways, the New Jersey borough of Leonia has taken an extreme measure against the problem.
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.
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.
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.
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.
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.
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.
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.
January 27, 2017, 12pm PST
The annual Urban Mobility Report (UMR), published by Texas Transportation Institute (TTI), should come with a warning label.
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."
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.
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.
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.
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.