Variable Speed Limits Are Popping Up Across America – Here's How The System Works

A variable speed limit system changes the max speed limit throughout the day. Instead of a static limit, it's based on road ...
The New York Times

F1’s Austrian GP: How 47 track limits violations scrambled qualifying

Fans who tuned into Friday’s qualifying session for the Austrian Grand Prix heard one phrase constantly repeated that had major implications for Sunday’s race: track limits. One after another, various ...