Illuminatable traffic sign
Illuminated hazard warning device
Illuminated sign for traffic control and method for...
Illuminated traffic signal for color blind persons
Illumination and guidance system for traffic areas
In-vehicle apparatus and service providing system
Infrared (IR) communication device for motor vehicles
Infrastructure-based collision warning using artificial...
Intelligent intersections
Intelligent traffic control and warning system and method
Intelligent traffic control and warning system and method
Interactive bulletin board system and method
Intersection information supply apparatus
Intersection warning system
Intrinsically safe traffic control system, method and...
Lamp sensing system for traffic lights
LED matrix current control
LED road traffic signal light
LED signal light
LED traffic light