(WJAR) — An NBC 10 viewer reached out to Ask Alison asking what exactly triggers a traffic signal. He left a voicemail: "Hi, this message is for Ask Alison. My name's Kevin Martin. I live in Johnston ...

PORTLAND Ore. (KPTV) - New traffic signal technology is coming to one of Portland’s most dangerous streets. The Portland Bureau of Transportation (PBOT) says the new sensors will be tested on ...

The traffic light at my side street almost always turns green within 10 seconds of my arrival, setting a happy tone for the rest of the drive. But on occasion, someone stops too far back or pulls too ...

Q: I read yet another answer of yours about damaged sensors. Some intersections use wire loops buried in the roadway and some use cameras mounted with the traffic lights. Out of curiosity, how do they ...

DOTHAN, Ala. (WTVY) - Traffic woes are coming to a standstill in Dothan. City crews have been working to reprogram traffic light sensors at intersections across the Circle City to help ease delays.

DOTHAN, Ala. (WTVY) - People driving in downtown Dothan are waiting longer than usual at certain traffic lights. At the Alice and West Main Street intersection, the wait time at red lights is ...

On May 6, Peggy Lewis complained about a seemingly broken traffic light at Routes 210 and 228, near the Charles and Prince George's county line. The traffic light on northbound Route 210 was taking an ...