Equipment redundancy synchronous switching method and system of regional controller
Communication device and method for interlocking control system and trackside equipment controller
Method and system for dividing protection area of marshalling train
Method and system for monitoring visibility of expressway in real time
Vehicle-road cooperation information service and traffic control method and platform
Vehicle path fitting method and device based on road network topological structure
Highway road condition monitoring and early warning device
Expressway ETC lane toll collection device and use method thereof
ETC (Electronic Toll Collection) equipment and use method thereof
Green channel vehicle inspection data recording device
Real-time monitoring system and method for running speed of vehicles on highway