Automated flagger assistance devices (AFADs) are designed to improve worker safety by replacing flaggers who are typically located near traffic approaching a work zone. In this study, a new AFAD … [Read more...] about Evaluation of Automated Flagger Assistance Devices (2018)
Measures of Effectiveness
Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones
Work zone safety affects both drivers and construction workers. Two main safety measures for reducing work zone crashes and their severity have been to reduce the vehicle speeds in work zones and to … [Read more...] about Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones
Investigation of Flashing and Intensity Characteristics for Vehicle-Mounted Warning Beacons
Reducing the potential for crashes involving front line service workers and passing vehicles is important for increasing worker safety in work zones and similar locations. Flashing yellow warning … [Read more...] about Investigation of Flashing and Intensity Characteristics for Vehicle-Mounted Warning Beacons
Speeding in Highway Work Zone: An Evaluation of Methods of Speed Control
Highway workers frequently work in close proximity of live traffic in highway work zones, traffic accidents therefore have devastating effects on worker safety. In order to reduce the potential for … [Read more...] about Speeding in Highway Work Zone: An Evaluation of Methods of Speed Control
Optimal Variable Speed Limit Control System for Freeway Work Zone Operations
Improving operational safety and efficiency of variable speed limit (VSL) systems are the two core control objectives at work zone areas. In response to such need, this study presents a proactive VSL … [Read more...] about Optimal Variable Speed Limit Control System for Freeway Work Zone Operations
Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention
This two-pronged (driving simulation and field study) investigation of driver behavior in work zones contributes basic and applied knowledge to our understanding of work zone safety. In the driving … [Read more...] about Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention