Construction Signs are designed for use in Temporary Traffic Control zones. They provide the same function as Yellow Warning Signs, but in a temporary application. Properly set up work zones give drivers plenty of advance notice to react to the changed traffic situations.
The In-Street Pedestrian Crosswalk Sign provides enhanced conspicuity at un-signalized intersections in order to alert motorists to local laws concerning yielding to or stopping for pedestrians in crosswalks. The effectiveness of these pedestrian crosswalk signs have been repeatedly supported by independent testing to demonstrate distinct changes in motorist behavior and accident incidence following installation.
R1-6a STOP emblem required in Maryland and Washington DC.