Research shows left turns at intersections are dangerous and slow traffic. Benjamin Rondel/The Image Bank via Getty Images Vikash Gayah: When you make a left turn, you have to cross oncoming traffic.

More than 60% of traffic collisions at intersections involve left turns. Some U.S. cities – including San Francisco, Salt Lake City and Birmingham, Alabama – are restricting left turns. Vikash Gayah, ...

HONOLULU (KHON2) — It’s a busy intersection in town – Kalakaua and South Beretania Street. But for people who live nearby, it’s also dangerous. Residents say they’ve been asking for years for ...

When you read the headline you probably thought we were going to talk about roundabouts, didn't you? Roundabouts have been slowly finding their way into intersections across the U.S., much to the ire ...

There are 118 intersections in the five boroughs where at least five people have been killed or seriously injured in the past three years, according to a report released Tuesday — but there may be a ...