LED traffic light
LED traffic light
LED traffic signal light with automatic low-line voltage compens
LED traffic signal light with automatic low-line voltage compens
LED traffic signal load switch
Licensed driver detection for high occupancy toll lane...
Light alignment system for electronically steerable light...
Light emitting traffic sign having vehicle sensing capabilities
Lighted sign and warning device
Lighted traffic sign attached to portable restroom
Lighting peg
Lighting peg with variable pulsation rate
Local incident reducing device
Means of mounting a toll calculator in a motor vehicle
Message board with work lights for vehicles
Method and a system for registering vehicle fees
Method and apparatus for controlling motor vehicle traffic
Method and apparatus for controlling temporary traffic signals
Method and apparatus for controlling transponder signaling
Method and apparatus for displaying the status of a system of tr