Thrie Beam Guide Rail
Thrie Beam Guide Rail features its shape of three waves, which has an added corrugation on the basic of traditional W-Beam. Thrie Beam Guide Rail is a longitudinal barrier designed to re-direct errant vehicles. Thrie Beam derives its name from the general cross-sectional shape of the beam. Compared to the two-wave shape products (W-Beam), this one has a stronger construction and higher impact endurance. Additionally, it is often used a specific sign for transition to high speed roadways.
Guide Rail: Thrie Beam (12 ga.)
Guide Rail Height: 790mm (31”)
Post Height: 790mm (31”) – from grade level
Post Spacing: 1905mm (75”)
Profile: ~530mm (21”)