Feedback Traffic Control at Highway Work Zones using Variable Speed Limits

Evaluation of Variable Advisory Speed Limits in Congested Work Zones

Effectiveness of temporary traffic control measures in highway work zones

In the United States, hundreds of people lose their lives each year and many more are injured due to vehicle crashes in the work zones. Over the years, temporary traffic control (TCC) measures have been developed and deployed in work zones. To continuously improve the safety, there is a need to identify the traffic control deficiencies in work zones by evaluating the effectiveness of existing T...

Determining the Effectiveness of Temporary Traffic Control Measures in Highway Work Zones

Highway work zones constitute a major safety concern for government agencies, legislatures, the highway industry, and the traveling public. Each year, hundreds of people lose their lives and many more are injured due to vehicle crashes in work zones on the national highway system. Over the years, temporary traffic control (TCC) measures have been developed to improve the safety in work zones. T...

Programming Police Enforcement in Highway Work Zones

Due to the aging U.S. highway system and the frequent presence of work zones, highway work zone safety is garnering increasing attention. Police enforcement is sometimes used by U.S. transportation agencies for safety improvement in work zones. The important question that must be answered by those responsible for programming police enforcement in work zones is: where, when and how to enforce? T...

Development and Evaluation of the Lane Merge Traffic Control System at Construction Work Zones