Barrier Terminals/Crash Cushions
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This listing contains information on crash-worthy longitudinal barrier system terminals and on crash cushions. NCHRP Report 350 recommends the same crash text matrix and evaluation criteria for both categories at speeds of 50 km/h, 70 km/h, and 100 km/h for Test Levels 1, 2, and 3, respectively. No additional test levels are specified for these types of devices.
TL-1, TL-2, or TL3 are considered appropriate for all other devices, including barrier terminals and sign supports.
Information on crash-worthy truck-mounted attenuators (TMAs) is also included in this listing.
For additional information on many of these safety devices, consult the 2002 AASHTO Roadside Design Guide and the 1995 AASHTO-AGC-ARTBA Report, A Guide to Standardized Highway Barrier Hardware.
Click on the acceptance letter number to view copies of acceptance letters for the crash cushions and barrier terminals that meet Report 350 criteria. Devices tested under earlier guidelines that have no TL designation may be unacceptable for use on NHS projects.
Design drawings, installation instructions, and maintenance requirements for most proprietary products may be obtained from the manufacturer’s website.
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