Truck-mounted attenuators (TMAs) are designed to protect workers in highway work zones by absorbing crashes, but drivers of these vehicles often face the most safety hazards.
To improve safety for all workers, the Minnesota Department of Transportation initiated a research study to determine whether driverless TMAs could be a viable option for its fleet.
Read the project summary: Automated Truck Mounted Attenuators (ATMA), March 2025.
Image source: Minnesota Department of Transportation