This document provides an update to a prior Positive Protection Toolbox publication and describes the use of positive protection as a safety feature for roadway construction and maintenance projects, … [Read more...] about Updated Work Zone Positive Protection Toolbox
Traffic Control Devices
Bilevel Optimization of Detour Signage Placement Under Road Closures
Road closures resulting from construction activities significantly disrupt traffic flow and often divert heavy truck traffic onto alternative routes. These detours, if not properly planned, can funnel … [Read more...] about Bilevel Optimization of Detour Signage Placement Under Road Closures
Prioritizing Worker-Centered Risk Mitigation Strategies and Technological Solutions: A Best–Worst Method Study From Highway Work Zones of India
Highway work zones are hazardous areas where construction and maintenance activities occur alongside active traffic, posing significant safety challenges for on-site workers. This study investigates … [Read more...] about Prioritizing Worker-Centered Risk Mitigation Strategies and Technological Solutions: A Best–Worst Method Study From Highway Work Zones of India
Barriers and Motivators of Using Supplemental Traffic Control Devices in Work Zones
Supplemental traffic control devices (STCDs) help improve the safety of traffic controllers in work zones. Despite many forms of STCDs being developed and used in work zones, there is limited … [Read more...] about Barriers and Motivators of Using Supplemental Traffic Control Devices in Work Zones
Driver Comprehension of Driveway Assistance Devices for Work Zones: Evidence from a Nationwide Survey
Driveway assistance devices (DADs) provide traffic control at low-volume access points on one-lane, two-way work zones without the need for flaggers. Interim approval for the optional use of DAD at … [Read more...] about Driver Comprehension of Driveway Assistance Devices for Work Zones: Evidence from a Nationwide Survey
INDOT Introduces New Guardian Angel Safety Lights to Enhance Worker Visibility
The Indiana Department of Transportation has launched a pilot program introducing guardian angel safety lights to enhance worker visibility in work zones. These wearable devices feature flashing green … [Read more...] about INDOT Introduces New Guardian Angel Safety Lights to Enhance Worker Visibility