North Dakota county road managers were surveyed regarding safety practices, training, and resources. Responses establish a benchmark for understanding common practices and opportunities to promote safety on this high risk road system. Results show a range of activity with regard to county adaptation...

The impetus of this research is to meet the growing need for accurate and practical methods to support traffic analysis in work zones. This research examines the application of two classes of traffic analysis models, macroscopic sketch analysis and microscopic traffic simulation, to work zones. The research...