A series of field evaluations were performed to assess the speed reduction effects of a speed feedback trailer (SFT) positioned at various locations before and after a median crossover section within … [Read more...] about Evaluating Driver Response to a Speed Feedback Trailer at Median Crossovers Within Freeway Construction Work Zones
Planning and Design
Evaluating Driver Response to Speed Feedback Trailers and Digital Speed Limit Signs Positioned Near the Work Area Within Freeway Construction Work Zones
A series of field evaluations were conducted within work zone lane closures on rural freeways in Michigan to determine 1) the optimal positioning of a speed feedback trailer (SFT) approaching an … [Read more...] about Evaluating Driver Response to Speed Feedback Trailers and Digital Speed Limit Signs Positioned Near the Work Area Within Freeway Construction Work Zones
Maintaining Roads and Keeping Workers Safe Is a Constant Effort
Maintaining safe and reliable roadways requires more than materials and machinery—it depends on planning, preparedness, and strong leadership. This article highlights the work of Kevin Lenox, a TxDOT … [Read more...] about Maintaining Roads and Keeping Workers Safe Is a Constant Effort
Incident Management in Interstate Work Zones
Incidents in interstate work zones can create challenges for incident management, especially when temporary traffic barriers and limited shoulder pull-off areas are present. This project identified … [Read more...] about Incident Management in Interstate Work Zones
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