The Loop Detector senses when a vehicle passes over or arrives at a certain point, sending a signal to open a gate, hold open a gate to prevent closing on vehicles, or alert if a vehicle is in a bay.

A project to install new traffic detection loops on Highway 225 at the Las Positas Bridge and Modoc Road in Santa Barbara will begin Wednesday. The project will include grinding the existing pavement ...

City crews are scheduled to begin work Monday on replacing loop detectors at three Corvallis intersections. Loop detectors are sensors installed in the pavement that detect vehicles and send ...

Larry Longley of Stanwood writes: I have recently noticed that on I-5 between Marysville and Arlington, there are new sets of two (and sometimes three) large circles that are cut into each freeway ...

Q: I travel Grooms Road East in Clifton Park/Halfmoon daily to go to work. I turn right on Route 9 to go south. It appears that the right lane (which is a straight/right turn lane) has a faulty sensor ...