IRD operates worldwide with subsidiaries located in the United States, Chile, China and Belgium. Through these locations, IRD serves our worldwide customers with local Sales, Design, Software, Manufacturing & Service and Maintenance.


International Road Dynamics Corp. Logo

International Road Dynamics Corp.
Spring Grove, Illinois

IRD?acquired ITC, a leading manufacturer of traffic?counters, in 2003. ITC’s facility in Spring Grove, Illinois has become IRD’s U.S. base of operations and support center for traffic counting and portable weighing systems. Since acquiring ITC, IRD has expanded our offerings to include a full line of traffic counters, traffic classifiers, traffic counter accessories, and pedestrian counters.

Toll Free (U.S.):?1.877.862.6868
Online Store (U.S. & Canadian orders only):


PAT Traffic - an IRD Team Member

PAT Traffic Ltda.
Santiago, Chile

In August of 2003, IRD signed an asset purchase agreement for substantially all of the assets of the Traffic and Telematics Business of?German-based ?PAT GmbH ("PAT")?located in Europe and the United States. IRD also acquired an option to purchase the PAT Traffic?business in Santiago, Chile which was completed in October 2003. PAT's product offering includes weigh-in-motion systems, traffic data collection systems, portable weigh scales and other related ITS products and services.

Today, PAT Traffic markets Automated Truck Weigh Stations (WIM), Portable Truck Weigh Scales, Toll Systems, Traffic Data Collection Systems, Traffic Products,?Service &?Maintenance to the Spanish speaking markets in Latin America including Mexico.


PAT Traffic - an IRD Team Member

Xuzhou PAT Control Technology Co., LTD (XPCT)
Xuzhou, China

In December 2007, IRD acquired a 50% interest in Xuzhou-PAT Control Technologies Limited (XPCT) located in Xuzhou, Jiangsu, China. ?XPCT had been IRD's distributor in China since 2003. XPCT is a design, manufacturing and service company?that focuses?on providing high technology Intelligent Transportation Systems ("ITS") for the growing highway and roadway infrastructure business throughout China. ?The remaining 50% interest is owned by (XCMG) Xuzhou Construction Machinery Group.?XCMG's head office is located in the Xuzhou Economic Development Zone.

XPCT markets Automated Truck Weigh Stations (WIM), Toll Systems including WIM@Toll?, Data Collection, Product Sales, Service & Maintenance, and Wire Harness Manufacturing throughout China.



iCOMS Detections S.A.
Louvain-la-Neuve, Belgium

On July 18, 2017, IRD acquired Icoms Detections SA (previously Icoms Communications SA). iCOMS is a Belgian company created in 1993 and specialises?in the design and manufacturing of microwave detectors and equipment for vehicle counting, classification and speed measurement, commonly called “radars”. These high tech detectors have found numerous fields of applications, such as a.o. road traffic management and ITS, in which Icoms Detections has become an international key actor.

iCOMS provides IRD with an expanded and important presence in the rapidly growing European ITS market, and adds new and innovative radar products and services that we can now offer to our North American and other global customers.

Belgium, Italy, France, Great-Britain, Ireland, Spain, Portugal, Netherlands, Switzerland, Denmark, Czech Republic, Slovakia, Croatia, Poland, Australia and Canada are but a few of the countries where Icoms radars are found.

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IRD is proud to be a Silver Sponsor of Truckers Against Trafficking, an organization that exists to educate, equip, empower and mobilize members of the trucking and travel plaza industry to combat domestic sex trafficking.
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