traffic fatalities

Pedestrians cross the street as traffic moves along 42nd Street in Midtown Manhattan on Jan. 25. Drew Angerer/Getty Images hide caption

A wrecked police motorcycle lays on the scene after a suspected drunk driver crashed during the Oklahoma State University homecoming parade in Stillwater, Okla. J Pat Carter/Getty Images hide caption

The scene of a multivehicle pileup in Louisiana three years ago. National traffic safety officials say more than 35,000 people died on the nation's roads and highways last year, a 7.2 percent increase over the previous year. Gerald Herbert/AP hide caption

Although Uber has repeatedly extolled drunken-driving reduction as a benefit of its service, a new study of data from across the U.S. finds ride-sharing apps have had no effect on alcohol-related traffic fatalities. Eric Risberg/AP hide caption

"Americans take their safety on the roadways for granted," says Deborah A.P. Hersman, president and CEO of the National Safety Council. Ross D. Franklin/AP hide caption

Marking novice drivers' cars doesn't help reduce crash rates when it comes to learner's permit holders, study finds. iStockphoto hide caption

A rural highway in southern Thailand photographed in 2013. Congestion and reckless driving are not uncommon on the country's roads and thoroughfares. Sumeth Panpetch/AP hide caption