VISIBILITY IN CONSTRUCTION AND MAINTENANCE WORK ZONES

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.

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trcircular/232/232.pdf
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00978515
• Supplemental Notes:
  • Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Corporate Authors:

  Transportation Research Board

  500 Fifth Street, NW
  Washington, DC  United States  20001
• Publication Date: 1981-10

Media Info

• Media Type: Digital/other
• Features: Figures; References; Tables;
• Pagination: 6 p
• Serial:
  • Transportation Research Circular
  • Issue Number: 232
  • Publisher: Transportation Research Board
  • ISSN: 0097-8515

Subject/Index Terms

• TRT Terms: Barriers (Roads); Construction safety; Construction sites; Highway delineators; Highway maintenance; Level of service; Road markings; Street lighting; Traffic crashes; Traffic flow; Traffic signals; Traffic signs; Traffic speed; Traffic volume; Visibility; Warning signs; Work zone traffic control
• Uncontrolled Terms: Barriers
• Old TRIS Terms: Delineators (Traffic); Traffic marking
• Subject Areas: Highways; Maintenance and Preservation; Operations and Traffic Management; Safety and Human Factors; I73: Traffic Control;

Filing Info

• Accession Number: 00345110
• Record Type: Publication
• Report/Paper Numbers: HS-032 884
• Files: HSL, TRIS, TRB
• Created Date: Jan 29 1982 12:00AM