For declaring state of emergency road surface and roadbed highway

摘要

The present invention relates to one kind for declaring state of emergency express highway pavement and roadbed, the equipment includes motor vehicle unit (V1, V2, V3) and stationary unit S securely transmit control point, wherein these units include radio signal receiver (3) and radio signal transmitter (2) that control is to pass through mechanical switch. Radio signal transmitter (2) input is provided with emergency situation detector (22) and radio signal transmitter (2) output and is connected at least one signal transmitting unit (21). Each radio signal receiver (3) has at least one signal receiving unit (31).