Traffic Signal Modules and Pedestrian Modules

As defined in the Code of Federal Regulations (CFR), “traffic signal module” means a standard 8-inch (200 mm) or 12-inch (300 mm) traffic signal indication that— (1) consists of a light source, a lens, and all other parts necessary for operation; and (2) communicates movement messages to drivers through red, amber, and green colors. Pedestrian module means a light signal used to convey movement information to pedestrians. 10 CFR 431.222. Manufacturers have been required to comply with the U.S. Department of Energy (DOE) energy conservation standards for traffic signal modules and pedestrian modules since 2005.