Visual Warning System for Worker Safety on Roadside Work-zones Status: CompleteReport Date: 08/25/2016 Summary: To improve work zone safety, researchers developed and tested a prototype system that detects and locates workers in a work zone. The system uses dedicated short range communications-based equipment to communicate worker locations to monitors inside construction equipment, and to automatically change variable message signs that alert passing drivers. Final Deliverables: Visual Warning System for Worker Safety on Roadside Work-zones (Report #2016-27) Wearable GPS Receivers Tested to Improve Worker Safety in Construction Zones (Research Summary) Related Materials: Related Research: Work Zone Intrusion Mobile Application