Historical
NEMA TS 1:1989 (R2005)
Traffic Control Systems (Note - Not Recommended For New Design)
Defines traffic-signaling equipment used to facilitate and expedite the safe movement of vehicular and pedestrian traffic. This standard has been reaffirmed to make it available for support of legacy traffic-control equipment. For new equipment installations, use TS 2-2003, Traffic Controller Assemblies with NTCIP Requirements.
NEMA: National Electrical Manufacturers Association [nema]