Tech & Innovation
Crashes on U.S. roadways continue to be one of the leading causes of fatalities and major injuries. Roughly half of all fatal crashes occur at horizontal curves and intersections. Vehicle speeds and curve geometry can create a "friction demand" higher than what can be countered with standard pavement surfaces. Intersection crashes often occur when driver error creates an unexpected need for increased friction demand to dramatically reduce vehicle speeds.
Temporary Traffic Control (TTC) is an area of the highway where road user conditions are (temporarily) changed because of a work zone, an incident zone, or a planned special event through the use of traffic control devices, uniformed uniformed officers, or other authorized personnel. The primary function of a work zone is provide for the reasonably safe and effective movement of roadway users through or around TTC zones while reasonably protecting road users, workers, responders to traffic accidents, and equipment.It is important for TTC devices to be uniform in their design, application, and location. The Manual on Uniform Traffic Control Devices (MUTCD) provides guidance on how TTC devices should be designed, applied, located, and regulated.
American Traffic Safety Services Association represents the roadway safety infrastructure industry with effective legislative advocacy, traffic control safety training, and a far-reaching member partnership.