A Guide for Protective Screening of Overpass Structures

Front Cover
The Association, 1969 - Pedestrian facilities design - 16 pages
The problem of preventing objects from being dropped or thrown from overpass walks onto vehicles travelling below has increased with the increase of freeway development. reports of large objects falling through windshields and fatally injuring occupants have been received from many areas. Completely covered or only partially enclosed have been most effective. For vehicular and pedestrian overpasses, both chain-link fencing and sheet metal fencing have been effective, the latter having the advantage of screening the view. Locations where screens should be considered during overpass construction are those near schools and playgrounds and those in large urban areas where police surveillance is difficult. Naturally screens should be installed on existing structures where "overpass bombing" incidents have occurred.

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Pedestrian Overpass With Circular Enclosure
Protective Chain Link Fence Along Vehicular

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