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, ...

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

PORTLAND, Ore. — Red lights at freeway on-ramps that only let one car at a time onto highways may be counterintuitive, but they do serve a purpose. “...Ramp meters make sure traffic gets on the ...

Question: Hello, we took a trip to the Cities this summer. While there we came across these freeway ramp meters. I know we don’t have those in outstate Minnesota, but I thought you might be able to ...

PHOENIX – Updated technology has allowed the Arizona Department of Transportation to optimize the operation of its freeway ramp meters. The enhanced computer programming lets the meters’ red and green ...

Re: Patricia Moore’s letter “City needs to address traffic problems,” Mailbag, Jan 11. I believe the northbound traffic on Brand Boulevard near the freeway is made worse by the freeway entrance meter.