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Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Publication

Visibility in Construction and Maintenance Work Zones

Abstract:

Several documents that will assist the engineer in planning and maintaining safe construction zone visibility are discussed and an attempt is made to relate positive experiences to the user. The resolution of construction zone problems may affect several administrative authorities, various modes of transport and several utility services. In order to maintain desired levels of service, it is important that uniform methods be available for guiding traffic through construction zones. Special attention should be devoted to the contributions of good visibility toward desired levels of service. Construction zone accident considerations are examined and a study by ( ALTRANS) and studies in Illinois and Virginia are noted. The Federal Highway Administration’s recommendations are also noted. Elements to be observed in achieving safe construction zones are listed. Construction work zones can be made safer through improvements in visibility conditions. Visibility improvements may be achieved through the construction of special warning devices such as signs, markings, delineation, barrier lighting, fixed overhead lighting, flood lighting, roadside sign lighting and signalization. Barriers may also be used. These methods could be combined with the following considerations: traffic flow, traffic volumes, pedestrian requirements, worker requirements, prevailing speeds, safe speeds and duration of construction.

Source: Transportation Research Circular
Issue: 232
Publisher: Transportation Research Board
Publication Date: 1981
Source URL: Link to URL
Publication Types: Books, Reports, Papers, and Research Articles
Topics: Traffic Control Devices; Visibility; Work Zones

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