How I Program Portable Traffic Signals for Bridge Repairs

Ever wonder how those traffic signal trailers know how to safely move traffic from one end to the other without causing accidents? They're a great tool when shutting down roads to one lane...especially for bridge repairs! You'll see how I program these babies in today's episode.
Check out: www.streetsmar...
if you want to educate yourself for entering the exciting field of the traffic signal industry!
This is real world stuff--not just sitting in stuffy lecture halls reading about old, stale traffic signal literature.