Improved work zone design guidelines and enhanced model of travel delays in work zones.
Phase I,
Portability and scalability of interarrival and service time probability distribution functions for different locations in Ohio and the establishment of improved work zone design guidelines /
Helmut T. Zwahlen and Erdinc Oner.

APA Citation

Zwahlen, H. T., Oner, E., United States. Federal Highway Administration., Ohio Research Institute for Transportation and the Environment. Human Factors and Ergonomics Laboratory., Ohio. Department of Transportation. (2006). Improved work zone design guidelines and enhanced model of travel delays in work zones. Athens, Ohio: Human Factors and Ergonomics Laboratory, Ohio Research Institute for Transportation and the Environment .

MLA Citation

Ohio. Department of Transportation, et al.. Improved Work Zone Design Guidelines And Enhanced Model of Travel Delays In Work Zones. Athens, Ohio: Human Factors and Ergonomics Laboratory, Ohio Research Institute for Transportation and the Environment , 2006.

Warning: These citations may not always be complete (especially for serials).