Automatic traffic control device and method thereof
Backup traffic signal management system and method
Barricade light with light emitting diode
Battery operated safety strobe barricade
Bimodal replacement traffic light
Blackout backup for traffic light
Block signal and train proximity detector
Card processing system and card processing method on toll road
Clock synchronization circuit for control of traffic signals
Combined traffic signal with stacked EL elements
Communication processing device of toll collecting system
Communication system for vehicles
Control apparatus for network traffic light
Control circuit for an LED traffic light using a pulse width...
Controller interface device
Coordinated two-dimensional progression traffic signal system
Coordinated two-dimensional progression traffic signal system
Coordinator for traffic signal controller
Count down led traffic signal
Cross-walk safety lighting with multiple enhanced flash rate