At both ends of every run of cable guide rail the cable will be anchored to a concrete block that is buried in the ground.
Both the last post and the ends of the cable will anchor to the concrete block. Because of the way they are attached the post and the cables have the ability to break away from the concrete block to ensure that a vehicle is not hitting a fixed obstruction.
Cable guide rail consists of 3 runs of cable attached to posts. The purpose of the cable is to keep motor vehicles on the road and out of danger.
Every run of cable will have a spring compensator attached to it. These compensators will counteract for the added tension the cable will receive during a motor vehicle collision. The compensators are what keeps the cable from snapping.
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