Truck-mounted attenuators (TMAs) are safety devices attached to the rear of work zone or maintenance vehicles to protect workers and motorists. Designed to absorb the impact of collisions, TMAs reduce crash severity by redirecting or decelerating vehicles that inadvertently enter the work zone. They consist of a collapsible frame or energy-absorbing materials and are typically used in... https://innov8equipment.com.au/truck-mounted-attenuators/