Pennsylvania Department of Transportation Temporary Traffic Control Guidelines

The traffic control schemes shown in this publication are minimum desirable applications for normal situations. They apply to contractors; utilities; Federal, State, county, township and municipal governments; and others performing applicable construction, maintenance, emergency or utility/permit work on highways or so closely adjacent to a highway that workers, equipment or materials encroach on the highway or interfere with the normal movement of traffic. They are applicable for both urban and rural areas.