November 13, 2019, 11am PST
The National Transportation Safety Board has released documents related to the Tempe, Arizona, crash that killed a person, highlighting what went wrong with the driverless technology.
April 8, 2019, 12pm PDT
Phoenix's roads are the most dangerous in the state for pedestrians, but the city is taking little action to make them safer.
September 10, 2018, 8am PDT
A feature article at the major local daily newspaper in Houston tackles traffic safety and puts the onus on engineers, police, and politicians to come to terms with the destruction they've wrought.
December 8, 2016, 6am PST
A new study from Quote Wizard finds Utah and Rhode Island have the worst and best drivers, respectively.
December 9, 2015, 12pm PST
Road diets, whereby the number of traffic lanes are reduced to better accommodate cyclists, can be controversial. But what of the opposite—adding lanes to better accommodate motorists? A cyclist died after such an "improvement." A lawsuit followed.
The State Smart Transportation Initiative
July 27, 2015, 12pm PDT
The age-old conflict between cars and bikes finally has the attention of one of the giants. Ford's Info Cycle project mounts sensors on street bikes to map out how multi-modal city travelers move around.
October 4, 2014, 1pm PDT
As more municipalities are shutting off lights for energy savings, technological innovations are leading the way in new lighting and paving systems to make up for these economic and environmental constraints.
August 12, 2013, 6am PDT
While protected bike lanes have yet to be recognized by AASHTO, they are en route to being recognized by US DOT, writes Green Lane Project's Michael Andersen. With federal guidance, transportation engineers may be more willing to build cycle tracks.
January 27, 2013, 5am PST
Not usually regarded for their outside the box thinking, transportation engineers have nevertheless come up with some radical ideas for improving the flow of traffic and reducing the potential for collisions at busy intersections.
November 3, 2012, 1pm PDT
You may have heard about smart cars, but what about smart streets? A plan for modernizing European highways has been generating a lot of buzz from civil engineers worldwide, reports Kelsey Campbell-Dollaghan.
January 15, 2011, 11am PST
Tao Rugkhapan reports on the etiology traffic accidents which are becoming all to common in Bangkok as vehicle speeds increase along with lane tolerances and the number of elevated expressways.
November 22, 2010, 12pm PST
The surge in city investment in bicycle lanes and the recent passing of various pro-bicycle laws has greatly irked many residents. Complaints have been leveled at everything from vehicle flow disruption to "extraordinarily ugly" lane paint choices.
July 28, 2010, 12pm PDT
Blueprint America reports from suburban Atlanta, where getting to the other side of the road is nothing to take for granted.
August 31, 2009, 5am PDT
New solar road technology could both absorb solar energy for electricity and provide a changeable LED grid that could respond to traffic conditions.
March 10, 2009, 2pm PDT
Roads and bridges are crumbling in America. The Highway Trust Fund is broke and new revenue other than stimulus funds are unlikely, so some state transportation officials are applying innovative methods to spread the road funding they have secured.