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

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Publication

Work Zone Speed Control

Author/Presenter: Outcalt, William
Abstract:

Traffic in the lanes next to work zones presents a continuous hazard to workers. By reducing the speed of the traffic through the work zone, the hazard can be mitigated somewhat. Accurate data on the effectiveness of the simultaneous use of radar detection devices and law enforcement support in work zones would be valuable information for equipment purchasing and budgeting purposes. A literature search found 17 studies relating to work zone speed control and investigating the use of variable message signs (VMS), presence of law enforcement, and various signing methods. However, none provided current documentation of the effectiveness of the use of a VMS in conjunction with the presence of a law enforcement officer who was ticketing violators.

The study found that the most dependable method of ensuring compliance with posted work zone speed limits is through the presence of law enforcement in the work zone, citing speeders.

This research provides CDOT with methods for effective management traffic speed in the vicinity of work zones. It will result in more reliable control of traffic speeds near work zones, improving safety for both the workers and the traveling public. Safety and Traffic engineers and Maintenance planners can use it to plan effective traffic control in work areas.

Publisher: Colorado Department of Transportation
Publication Date: 2009
Full Text URL: Link to URL
Publication Types: Books, Reports, Papers, and Research Articles
Topics: Changeable Message Signs; Law Enforcement; Signing; Speed Control; Speed Limits; Temporary Traffic Control; Traffic Violations

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