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Phase II :
improved work zone design guidelines and enhanced model of travel delays in work zones /
prepared by Human Factors and Ergonomics Laboratory, Ohio Research Institute for Transportation and the Environment, Russ College of Engineering and Technology, Ohio University.

APA Citation

Zwahlen, H. T., Oner, E., Ohio Research Institute for Transportation and the Environment. Human Factors and Ergonomics Laboratory., Ohio. Department of Transportation. (2009). Phase II: improved work zone design guidelines and enhanced model of travel delays in work zones. [Athens, Ohio: Ohio University].

MLA Citation

Zwahlen, Helmut T, Erdinc Oner, Ohio Research Institute for Transportation and the Environment. Human Factors and Ergonomics Laboratory, and Ohio. Department of Transportation. Phase II: Improved Work Zone Design Guidelines And Enhanced Model of Travel Delays In Work Zones. [Athens, Ohio: Ohio University], 2009.

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