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
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