This report presents an analysis of freeway incidents on the Salt Lake Valley freeway network. Different types of incidents at the most common/difficult locations are analyzed through traffic microsimulation using VISSIM simulation software. The analysis focuses on incident induced freeway delays, but...

For the purpose of this paper, the definition of traffic incident is "any non-recurring event that causes a reduction of roadway capacity or an abnormal increase in demand." This definition will provide the necessary broadness for types of traffic incidents that are going to be addressed here and for...

This report documents the research underway at the Utah Traffic Lab (UTL) that will contribute to the development of the user cost manual. This study evaluates the impact of various work zone scenarios caused by roadway rehabilitation projects in Utah. The results for different scenarios are tabulated...