Tag Archives: signal controllers

All About Traffic Signal Controllers, Part Two

This is Part Two¬†in a series about Traffic Signal Controllers. Part One showed various types of controllers and cabinets, here we continue with a closer look at a 1980s-2000s vintage¬†controller: the Eagle EPAC 300, a 16 phase NEMA (National Electrical Manufacturers Association) TS-1 controller. There’s not much to it on the outside: a membrane keypad […]