Using appropriate warning lights in roadway work zones is crucial for the safety of workers and road users. Several state Departments of Transportation (DOTs) in the United States have conducted … [Read more...] about Investigating Implementation Practices and Initiatives for Using Blue Light to Enhance Work Zone Safety in the United States
Traffic Control
A Safety Alarm Device for Protecting Road Workers
At present, the personal safety of road workers mainly relies on placing warning objects such as traffic safety cones and tripods on the road to remind rear drivers to avoid hitting the road workers. … [Read more...] about A Safety Alarm Device for Protecting Road Workers
Evaluating Driver Response to a Speed Feedback Trailer at Median Crossovers Within Freeway Construction Work Zones
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
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
Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study
This study investigates the impact of road signs on traffic congestion during road repairs using a cellular automaton (CA) model. The model simulates an urban dual-lane one-way road, incorporating a … [Read more...] about Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study
MASH Allowable Flare Rates for Portable Single-Slope Concrete Barriers
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