North Dakota requires truck-mounted attenuators (TMAs) on the pavement marking installation for the protection vehicle behind the painting train. Maintenance forces use the TMA when the work is in a … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Crash Cushions
Protection for bridge ends or other fixed objects in two-lane two-way operations
Iowa DOT protects the off-end of bridges in its two-lane two-way operations work zones by temporarily placing the appropriate metal beam guardrail treatments. If a metal beam rail does not work, crews … [Read more...] about Protection for bridge ends or other fixed objects in two-lane two-way operations
Truck-Mounted Attenuator (TMA) requirement
Virginia requires the use of TMAs in mobile operations and stationary lane closures. … [Read more...] about Truck-Mounted Attenuator (TMA) requirement
Truck-Mounted Attenuator (TMA) requirement
Michigan requires moving TMAs on pavement marking projects and stationary TMAs on bridge painting. … [Read more...] about Truck-Mounted Attenuator (TMA) requirement
Truck mounted attenuators in work zones
Delaware uses truck mounted attenuators in work zones projects and maintenance jobs. … [Read more...] about Truck mounted attenuators in work zones
Maintenance Free Crash Cushion
This report describes the development and full-scale crash testing of a reusable crash cushion which dissipates kinetic energy through the lateral deformation of a row of nine-high molecular … [Read more...] about Maintenance Free Crash Cushion