Beginners and Advance Traffic Signal and Transportation Training

Level I Training

Level II Training

Signal Design

Signal Inspection

Signal Timing


Fundamentals of Traffic Engineering

LRN Transportation

To avoid wire corrosion  problems in pull boxes, run wires continuously to the nearest  terminal block on a traffic signal pole or controller cabinet. If  you must splice wires in the pull box, add a layer of  water resistant Scotch-cote liquid to the final layer of tape.