Back-of-queue crashes are a significant safety hazard in highway work zones—especially those with intermittent congestion. A number of intelligent transportation systems (ITS) have been developed to … [Read more...] about Development of a Low-Cost Work Zone Queue Warning System
Traffic Queuing
Modelling of Queue Length in Freeway Work Zones – Case Study Karaj-Tehran Freeway
In this study, the traffic parameters were collected from three work zones in Iran in order to evaluate the queue length in the work zones. The work zones were observed at peak and non-peak hours. The … [Read more...] about Modelling of Queue Length in Freeway Work Zones – Case Study Karaj-Tehran Freeway
Merging Technology and Safety in Wisconsin: The New Work Zone
In the latest episode of Transportation Connects Us, the Wisconsin Department of Transportation (WisDOT) podcast, WisDOT engineers discuss the safety benefits of work zone technology, including: … [Read more...] about Merging Technology and Safety in Wisconsin: The New Work Zone
Indiana DOT Beefing up Work Zone Safety for 2021 Construction Season
The Indiana Department of Transportation (DOT) oversees the investment of more than $2 billion in 1,300 road construction projects and preventative maintenance activities in 2021. To improve work zone … [Read more...] about Indiana DOT Beefing up Work Zone Safety for 2021 Construction Season
Real-Time Work Zone Traffic Management via Unmanned Air Vehicles
Highway work zones are prone to traffic accidents when congestion and queues develop. Vehicle queues expand at a rate of 1 mile every 2 minutes. Back-of-queue, rear-end crashes are the most common … [Read more...] about Real-Time Work Zone Traffic Management via Unmanned Air Vehicles
Using IoT Technology to Create Smart Work Zones
This study explores the feasibility of improving road work zone safety by using state-of-the-art Internet of Things (IoT), artificial intelligence (AI), and computer vision technologies. This project … [Read more...] about Using IoT Technology to Create Smart Work Zones