Patent ID: 7441983

Claim:
An energy absorbing system comprising: a first anchor and a second anchor, located on opposite sides of a roadway; a net mechanically coupled to each of the first and second anchors and spanning the roadway; a first raising/lowering arm arranged on one side of the roadway, the first raising/lowering arm mechanically coupled to and supporting an upper portion of the net via a first upper frangible tensioner and mechanically coupled to and supporting a lower portion of the net via a first lower frangible tensioner; a second raising/lowering arm arranged on another side of the roadway, the second raising/lowering arm mechanically coupled to and supporting an upper portion of the net via a second upper frangible tensioner and mechanically coupled to and supporting a lower portion of the net via a second lower frangible tensioner, wherein the first and second upper and first and second lower frangible tensioners decouple from the net upon application of a predetermined force.