The TREND® CEN end terminal is an energy absorbing steel post terminal for use with W-Beam barriers. The lower post, having a U-Section, is driven into the ground. The upper post, with its U-Section, slides into the lower post and is then secured using a steel tension bolt.
During a head-on impact within ENV 1317-4 criteria, the longitudinal forces break the tension bolt, releasing the upper post. The clamping forces between the rails and deformation of the rail sections help absorb energy as they slide rearwards.