TLR00517T is a traffic light controller manufactured by Syracuse Electronics. It is designed to control 24 phases of the traffic signals on any given street. The TLR00517T is capable of controlling the length of the signal and the timing of the signals. It also has an automated fail-safe system that can detect any malfunctioning of the system. The controller is made of heavy-duty industrial-grade components and is programmed to operate in compliance with the latest FCC standards. It is also compatible with other controllers from Syracuse Electronics, such as the TLR0074.