Texas's Design Details for Vehicle Impact Attenuators (Sand Modules) can be found on the web site below. The state applies the same details to permanent or work zone installations. … [Read more...] about Sand barrels in work zones
Crash Cushions
Installation of 70 mph attenuators
South Carolina has authorized the installation of 70 mph attenuators. It authorizes the installation of non-cartridge attenuators and type 3 end terminals (e.g., SCI 100 GM, BrakeMaster, CAT, etc.) … [Read more...] about Installation of 70 mph attenuators
Installation of 70 mph attenuators
Arizona has accepted the SCI 100 GM on the APL. It meets TL3 requirements. … [Read more...] about Installation of 70 mph attenuators
Installation of 70 mph attenuators
Mn/DOT has installed one NCHRP Report 350 approved 70 mph attenuator (FASTRACC). Mn/DOT requires the use of NCHRP Report 350 approved TL-3 attenuators on highways. … [Read more...] about Installation of 70 mph attenuators
Truck-Mounted Attenuator (TMA) requirement
WSDOT does not require the use of TMAs but they are highly recommended for many work operations. For WSDOT construction projects TMAs are routinely included as a per each bid item in the contract. If … [Read more...] about Truck-Mounted Attenuator (TMA) requirement
Truck-Mounted Attenuator (TMA) requirement
NJ Turnpike requires TMAs on all projects regardless of its impact to traffic. It is required for the installation and removal of lane closings as well as shoulder closing, in addition to be used to … [Read more...] about Truck-Mounted Attenuator (TMA) requirement