After the widening of I-20/I-59 in Tuscaloosa, Alabama, began, traffic conditions worsened with long queues, secondary crashes, and extreme delayed travel times. To help mitigate the issues, Alabama … [Read more...] about Alabama DOT Deploys Queue Detection System in Tuscaloosa Work Zone
Traffic Queuing
Evaluation of DOTD’s Existing Queue Estimation Procedures
Louisiana Department of Transportation and Development (DOTD) requests that freeway lanes should not be closed for construction work during hours when capacity exceeds 1,309 pcphpl. It is not known … [Read more...] about Evaluation of DOTD’s Existing Queue Estimation Procedures
ITS Concept of Operations: End of Queue Warning System for Work Zone
A significant number of crashes occurring in work zones are end of queue crashes. Since 2011, end of queue crashes resulted in 9 fatalities in Minnesota. It is important that drivers are aware of … [Read more...] about ITS Concept of Operations: End of Queue Warning System for Work Zone
Development of a Low-Cost Work Zone Queue Warning System
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
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