As you begin to enter a California highway, you might encounter a ramp meter telling you when you can — or cannot — merge without stopping. What are the rules when those lights are active at on-ramps?

The Goleta corridor of Highway 101 is frequently congested as commuters head home from work in the late afternoon. The Santa Barbara County Association of Governments and other local agencies are ...

Q. I ride a motorcycle and when I get to a freeway on-ramp with a traffic meter, the traffic detector in the ground doesn’t always sense my motorcycle. I’ve held up traffic waiting for it to change, ...