
Loop Detectors
- Single, dual & 4-channel configurations
- Up to 20 sensitivity levels via LCD display
- NEMA TS-1, TS-2 & CALTRANS 33x compliant
NEMA TS-1 Compliant
NEMA TS-2 Compliant
CALTRANS 33x Compliant
Vehicle Loop Detectors use inductive loop technology to detect vehicles at intersections and along roadways. Offered by EDI Electronic Design Inc., these detectors support single, dual, and four-channel configurations, comply with NEMA TS-1, TS-2, CALTRANS, ATC, and ITS standards, and are used for traffic signal control and data collection.


A loop detector is an inductive sensor embedded in the road surface that detects vehicles by sensing changes in the electromagnetic field when a vehicle passes over it. It is widely used for traffic signal control, vehicle counting, and traffic management at intersections and highways.
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Loop detectors enable responsive signal control at city intersections, reducing congestion and improving traffic flow.

Used along state highways for vehicle detection and monitoring in NEMA and CALTRANS-compliant traffic systems.

Departments of Transportation use loop detectors for traffic counting, data collection, and signal timing optimization.

Contractors install loop detector systems during road construction and signal upgrade projects across urban and suburban corridors.
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Since 1946, TCC has been the Midwest's trusted authority on traffic control, providing unmatched product knowledge and application guidance for loop detector systems.
Our certified field service team offers onsite troubleshooting, installation guidance, and product training to ensure your loop detectors perform reliably from day one.
With a multi-million dollar inventory in Woodridge, IL, TCC stocks products from 40+ manufacturers, ensuring fast fulfillment across 11 Midwest states.
Submit your requirements and our technical team will respond with product recommendations, compatibility guidance, and pricing within one business day.
For immediate assistance, feel free to give us a direct call at +1 630-543-1300. You can also send us a quick email at issnews@imagesensing.com.
For immediate assistance, feel free to give us a direct call at +1 630-543-1300. You can also send us a quick email at issnews@imagesensing.com.