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Traffic Control
General Traffic Control
National Resources
State-Developed Resources
- Caltrans Work Zone Traffic Control Tools Web Site - Provides links to Caltrans work zone traffic control policies, resources, and guidance, as well as to FHWA work zone traffic control guidance.
- Portable, Non-Intrusive Advance Warning Devices for Work Zones With or Without Flag Operators - Minnesota DOT study to develop a work zone alert system informing speeding drivers of the upcoming work zone and raising their attention level before they reach the taper line and/or the work zone flag operator.
- Missouri DOT Traffic Control Guidance
- North Carolina DOT Work Zone Traffic Control Qualification and Training Web Site - Includes links to NCDOT approved training resources, specifications for work zone training requirements for various job positions, and frequently asked questions.
- Maximizing Investments in Work Zone Safety in Oregon (PDF 1.7MB) - Report examining methods for maximizing ODOT work zone safety investments in enforcement, traffic control, and public information. Includes a section on literature review findings related to how work zone traffic control devices can enhance safety.
- Oregon DOT Work Zone Design and Operations Enhancements (PDF 2.4MB)- Explores ways to effectively design, review, implement, and inspect traffic control plans for work zones.
- Minimizing User Delay and Crash Potential through Highway Work Zone Planning (PDF 3.5MB) - Texas DOT report that analyzes delay and safety concerns associated with various work zone conditions and provides traffic control recommendations to ensure efficient operations and conditions for both users and workers.
- Washington State Work Zone Traffic Control Guidelines (PDF 4MB) - Provides traffic control guidance for common work operations, based on principles in the MUTCD.
Mobile and Short Duration Work Zones
- Safely Implementing Rolling Roadblocks for Short-term Highway Construction, Maintenance, and Utility Work Zones (HTML, PDF 648KB) - This Fact Sheet summarizes best practices related to rolling roadblocks for short-term road work activities requiring a short-term full closure of the roadway.
- Evaluation of Innovative Traffic Safety Devices at Short-Term Work Zones (PDF 2.4MB) - Presents the results of a study on the usage and effectiveness of traffic control devices that can be used in short-term work zones. Includes recommendations on innovative devices to use in addition to existing typical traffic control devices based on the results of a survey of 26 states.
- NCHRP Results Digest 339: Improving the Safety of Mobile Lane Closures - Explores practices employed by transportation agencies during mobile lane closures and summarizes associated research.
- Maintenance Work Zone Safety: Pocket Guide of MUTCD Guidance on Temporary Traffic Control (PDF 595KB) - Provides graphics and detailed descriptions on the typical applications that apply to short-term and mobile operations for maintenance
- Work Zone Safety: Temporary Traffic Control for Maintenance Operations Brochure (PDF 283KB) - Provides highlights from the "Pocket Guide of MUTCD's Guidance on Temporary Traffic Control".
- Identification of Traffic Control Devices for Mobile and Short-Duration Work Operations - Examines mobile and short-duration work zone safety, with particular attention to the identification of work zone safety devices, information systems for the reduction of safety and congestion, and the implementation of innovative techniques to reduce delays and crashes due to work zones.
- Improving the Safety of Moving Lane Closures - Presents the results of a study on driver behavior around moving lane closures and the effect of different set-ups, including the number, configuration, and spacing of shadow vehicles, and the effect of various traffic control devices and sign messages.
Night Work/Off-Peak Work
- Improving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices - Developed by the Illinois Center for Transportation at the University of Illinois
- Working Safely at Night - Traffic Control Guidelines (PDF 12MB) - Presentation from American Road and Transportation Builders Association 2004 National Work Zone Conference.
Pedestrians in Work Zones
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