... a radio controlled sign to warn people when we have a blockage of the road, and to date it has proved very satisfactory. ... out-oftowners is they like the trailblazer better than they like their route signs because once they get on it they follow it, and for that reason, we put up a lot of them. ... Of static wires? Of other equipment? Effect of preventative maintenance on machine accuracy and dependability.
|Title||:||Report ... Workshop, American Bridge, Tunnel & Turnpike Association and International Division|