Safety is Minnesota Department of Transportation (MnDOT)’s top priority as demonstrated in the Toward Zero Deaths (TZD) initiative to lower the number of traffic crashes, injuries, and deaths … [Read more...] about ITS Concept of Operations: Work Zone Intrusion Warning System (WIWS)
Warning Systems
Alabama DOT Deploys Queue Detection System in Tuscaloosa Work Zone
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
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
Using Worker’s Naturalistic Response to Determine and Analyze Work Zone Crashes in the Presence of Work Zone Intrusion Alert Systems
Work zone Intrusion Alert Systems (WZIAS) are alert mechanisms that detect and alert workers of vehicles intruding into a work zone. These systems pre-dominantly employ two components-sensors placed … [Read more...] about Using Worker’s Naturalistic Response to Determine and Analyze Work Zone Crashes in the Presence of Work Zone Intrusion Alert Systems