Wireless?low cost, short range, and long-range microwave systems and ired?in ground, reusable surface mount loops, or pneumatic hose. Adding this to a traffic signal system will greatly improve
traffic flow especially for the RDTL or RDTL-AC single lane flagger systems reducing the wait time, and preparing to cycle before traffic approaches the work zone. It is also used to activate other
IST products as a standard part of the system.