This 30 page pocket-size handbook helps contractors and agency personnel determine when a traffic control device has outlived its usefulness.
Color photos and/or written descriptions of work zone devices illustrate three levels of device condition: acceptable, marginal and unacceptable.
These standards have been developed in an effort to offset the deterioration in appearance of work zone devices. A determination of the condition of device quality should be made at several stages. This will minimize agency involvement and reduce costs related to on-site replacement.
The devices described include signs, barricades, drums, cones, tubes, warning lights, arrow panels, changeable message signs, pavement markings, and markers.
Also available: State Specific Quality Guidelines for Pennsylvania
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