Field Support
Comprehensive field support for product selection, signal turn-ons, detection system activation, onsite troubleshooting, ATMS upgrades, and systems training delivered by factory-trained technical specialists.
Reliable Quality Traffic Control Services for agencies, DOTs, municipalities, and contractors that need dependable signal equipment support, audits, repairs, turn-ons, training, and system upgrades. Traffic Control Corporation brings over 75 years of transportation technology expertise to help keep intersections safer, systems performing, and infrastructure projects moving with knowledgeable regional support across the Midwest.

Traffic Control Corporation supports signal equipment, ITS systems, repairs, audits, training, and field troubleshooting.
Comprehensive field support for product selection, signal turn-ons, detection system activation, onsite troubleshooting, ATMS upgrades, and systems training delivered by factory-trained technical specialists.
Repair and certification services for controllers, video detection equipment, detection systems, and conflict monitors, with warranty work performed through the appropriate factory process.
Audits and maintenance reviews for preemption systems, detection systems, ATMS platforms, and traffic cabinets to identify issues, improve reliability, and reduce unexpected failures.
Authorized support for safely initializing, testing, and activating newly installed traffic signals, including controller checks, cabinet review, detection verification, and intersection readiness support.
Installation, upgrade, and health-check support for Advanced Transportation Management Systems, helping agencies improve network monitoring, system stability, alerts, scheduling, and intersection connectivity.
Training courses and seminars covering traffic signal basics, controller programming, detection technologies, timing coordination, ATMS platforms, and NEMA TS2 cabinet standards.

We begin by reviewing your agency, contractor, or project requirements, including equipment type, intersection conditions, system goals, and any applicable DOT specifications. This helps align product selection, field support, repair, or training recommendations with real operational needs.
See how experienced traffic technology support helps agencies improve reliability, safety, and system performance.
Traffic Control Corporation combines long-standing experience, technical depth, and regional responsiveness.
Over 75 years of traffic control knowledge supporting evolving transportation technology needs.
Recognized Midwest traffic control specialists serving agencies and contractors across eleven states.
Factory-trained staff provide field service, troubleshooting, repair coordination, and product support.
A multi-million dollar Woodridge inventory helps customers access critical traffic equipment efficiently.
Experienced regional specialists supporting modern traffic infrastructure.
Traffic Control Corporation was founded in 1946 by Joseph Lizzadro, Sr. and Edward R. Hansen at 134 North LaSalle Street in Chicago, Illinois. What began as an exclusive distributor for Automatic Signal Company in Illinois, Indiana, and Wisconsin has grown into a leading Midwest resource for traffic signal equipment and ITS solutions. From its Woodridge, Illinois headquarters and regional offices in Indiana, Missouri, Minnesota, and Iowa, the company supports state and local agencies, contractors, and consultants across eleven states. For over 75 years, Traffic Control Corporation has stayed ahead of transportation technology advancements while helping communities manage increasingly complex traffic systems with practical expertise, attentive service, and dependable product support.
Traffic control services include field support, signal turn-on assistance, cabinet troubleshooting, detection system audits, ATMS installation and upgrades, hardware repair, conflict monitor testing, product selection support, and technical training. Traffic Control Corporation works with DOTs, municipalities, counties, contractors, and consulting teams that need dependable traffic signal equipment expertise and transportation technology support.
Our traffic control specialists can help clarify your next step.
Traffic Control Corporation supports transportation agencies and contractors across an eleven-state Midwest service territory.
11 States
Service Area
Mon-Fri
Business Hours
4.8 Stars
Customer Rating
Tell us your location and service need to confirm support options.
Decades of proven traffic control expertise.
Technical support from trained field specialists.
Broad access to trusted traffic manufacturers.
Tell us about your traffic signal, detection, ATMS, training, or repair needs, and our team will help identify the right next step.
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.