The National Safety Council estimates 38,300 people were killed and 4.4 million injured on U.S. roads in 2015.
Ethan Couch and his mother were found in a Mexican resort town on Monday night.
Authorities believe Tonya Couch might be with her son, the "affluenza" teen who killed four people in 2013.
The National Safety Council estimates 433 people will be killed on the road during this long weekend.
William Joseph Levada was arrested for DUI on Hawaii's Big Island and released on $500 bail.
If Uber and Lyft operated across the U.S., a study suggests, 500 lives would be saved each year.
Improving economy, lower gas prices among reasons suspected for increase in traffic deaths.
Many still believe they can safely do both at once.
For most parents, a car for their children means both freedom and fear. But a kid and four wheels can make for a deadly combination.