Motorized tire barrier and signal barrier traffic-way controller

摘要: A motorized traffic-way controller wherein a retractile tire barrier and opening gate are coordinated to operate in unison by motor drive that is recycled closing mode switch through cam controlled "stop" "go" switches responsive the position of drive, installation being above grade with low profile modules having tooth configurations projects for damage, signal supported unit at side form an arm lifted when configuration retracted, adapted coupled engagement one other assembled.