Queue warning systems are designed to quickly detect the presence of queues at the work zone and warning approaching motorists that traffic is slowed or stopped ahead.
- Application guidelines for queue warning systems by MnDOT
- Presentation of work zone ITS used on project in southern Illinois
- Case study of two work zone ITS deployments to reduce rear-end crashes in Illinois
- Web-training module on treating potential back-of-queue safety hazards
- Bid specification for a queue warning system in Texas
- Example of deployment plans for queue warning in Texas (without portable rumble strips)
- Example of deployment plans for queue warning in Texas (with portable rumble strips)
- Draft deployment plans for queue warning in Pennsylvania
- Bid specification for queue warning (termed stopped traffic advisory) in Michigan
- Example of a deployment plan package for queue warning on a project in Michigan
- Example of an on-call contract bid specification for queue warning in Illinois
- Fact sheet about the queue warning system on I-35 in Texas