Highway Crash Cushion
National Trench Safety carries a diverse line of highway crash absorption systems to meet a variety of needs.
The Compressor is recognized as a self-restoring, low maintenance attenuator by the FHWA. It is designed to take repeated impacts with minimal or no repairs. The system is designed using telescoping, ultra high strength steel side panels, which also redirect vehicle impacts away from the back corner of a truck that can lead to more substantial injuries or death. The system also uses a specially formulated HDPE plastic to form the attenuator modules. The Compressor is recognized as the shortest TL-3 self-restoring attenuator at 21’-6”. In addition to its safety features, the system’s engineering also balances installation as the system is delivered ready to install with only 30 bolts needed to secure the system to the pavement. The Compressor is NCHRP 350 Test Level 2 and 3 approved.
The Sentry Longitudinal Energy Dissipater (SLED) is accepted by the FHWA for shielding the blunt end of concrete, steel and water filled barriers. It is also accepted by the FHWA for use in uni-directional and bi-directional applications. The SLED is a cost effective end treatment for concrete, steel and water filled barriers. The system features a stout design that virtually eliminates vaulting. The SLED also features internal steel cables that help to guide a vehicle after an impact, creating a truly “limited gating” system. The SLED is also designed for quick, easy set-up with no foundation anchoring required. The SLED is NCHRP 350 Test Level 1, 2 and 3 Construction Zone approved.
NTS also carries a line of sand barrels to provide a non-redirective crash cushion. The Big Sandy Sand Barrels can be installed in geometric patterns in front of a hazard to protect drivers from a direct crash or driving into the hazard. The system utilizes three types of barrels to create weights of 200, 400, 700, 1400 and 2100 lbs to increase the versatility of the system. The system is tested and meets the NCHRP 350 standard when appropriated designed and spaced in proper arrays.