March 19, 2018, 5am PDT
A new study shows that these groups exist in around 10 percent of counties, and those counties are scattered across all 50 states.
May 9, 2016, 5am PDT
Urbanists, test your knowledge of urban economics. Familiar with the concept of agglomeration externality? Finance professor and Bloomberg View writer Noah Smith opines it's a major reason why American cities are not as productive as they should be.
October 11, 2014, 11am PDT
A study conducted by the AAA Foundation for Traffic Safety assessed the mental demands required of six hands-free, in-vehicle systems dialing phones and changing radio stations.
September 29, 2013, 9am PDT
New highway signs urge drivers to wait until the next rest stop before answering that text or email message. A recent study presents two more reasons why motorists who text are a major danger.
September 12, 2013, 10am PDT
Call it the law of unintended consequences. Alerts of "bad air days" that ask motorists in the Wasatch Front to reduce driving had the opposite effect, prompting some residents to drive away from lowlands to the mountains where air may be healthier.
July 30, 2009, 12pm PDT
Banning "DWT" - driving while texting, could soon become the next 'seat belt requirement' for states to avoid forfeiture of some of their federal highway funds if a Senate bill is to become law.
The New York Times - Technology