Portable concrete barriers (PCBs) are commonly used to provide positive protection in work zones. They also shield work-zone personnel from errant motorists when activities are being performed near … [Read more...] about MASH Allowable Flare Rates for Portable Single-Slope Concrete Barriers
Information, Data, and Knowledge
Impact of Road Work Zones on Traffic Flow and Safety: A VISSIM-Based Analysis of Driving Behavior and Risk Factors
To achieve Vision Zero and eliminate all fatalities and severe injuries in road traffic, it is necessary to improve road safety for both road users and road workers. Accidents and incidents that occur … [Read more...] about Impact of Road Work Zones on Traffic Flow and Safety: A VISSIM-Based Analysis of Driving Behavior and Risk Factors
Development of an Analytical Tool for Work Zone Performance
Highway work zones are vital for infrastructure maintenance but often disrupt traffic flow, affecting safety and efficiency. While traditional evaluation methods—such as delay, queue length, and crash … [Read more...] about Development of an Analytical Tool for Work Zone Performance
Meet the AI Assistant Designed to Make Work Zones Safer
University of Missouri researchers have developed Work Zone Assistant, an AI-powered chatbot designed to help transportation professionals ensure work zones comply with federal safety standards. Built … [Read more...] about Meet the AI Assistant Designed to Make Work Zones Safer
Audible Alert and TMA Lighting
Truck Mounted Attenuators (TMAs) are designed to mitigate crash severity. Currently, TMA drivers rely on visual checks via driving mirrors to manually trigger warnings thus placing the duty on … [Read more...] about Audible Alert and TMA Lighting
Working Near Traffic – Work Zone End of Queue Study: Literature Review
To properly understand work zone End of Queue (EOQ) crashes, the associated issues, and potential treatments, a comprehensive review of literature and background materials was undertaken. This review … [Read more...] about Working Near Traffic – Work Zone End of Queue Study: Literature Review