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. Dr. Vikash ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Vikash V. Gayah, Penn State (THE CONVERSATION) More than 60% of traffic collisions at ...

Many advanced driving assistance system (ADAS) suites now include intersection turn assistance (ITA). Although the proprietary name for this technology may differ among automakers, its overall purpose ...

Q: When there is a street with a turn lane in the center, I see many drivers come from a side street and pull into the center turn lane to then merge into the right lane when there is an opening. My ...