highway, road and bridge construction. The three rails provide an extra level of safety when installed on the side of a roadway, helping reduce the risk of vehicles crossing into oncoming traffic. The size and specifications of galvanized highway triple guardrail vary depending on the application, but generally consists of three rails that measure 25'-30' in length and 8-10 in height. With proper maintenance and care, the service life of galvanized highway triple guardrail can last up to 30 year