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International Road Dynamics Inc. (IRD) is a world leader in highway traffic management, operating internationally in the ITS (Intelligent Transportation Systems) industry.

With over 30 years of experience, IRD is a multi-discipline company specializing in advanced traffic control, weight enforcement, bridge protection, and toll management technologies.

IRD's expert engineers design and supply the following ITS systems and products:

In August of 2003, IRD acquired the German based company PAT Traffic, located in Europe and the United States. PAT's product offering includes weigh-in-motion systems, traffic data collection systems, portable weight enforcement scales and other related ITS products and services.

IRD has operational installations worldwide with major projects throughout Canada, the United States, Saudi Arabia, Pakistan, India, China, Hong Kong, Indonesia, Korea, Malaysia, Brazil, Colombia, Chile, Ecuador, Honduras, Peru, Uruguay, Mexico, and many other countries.

Virtual Weigh Station Video

Virtual Weigh Station Overview

In this video, Tom Der, IRD’s Director of Sales, describes IRD’s Virtual Weigh Stations. Over the years, IRD has developed a reputation for developing innovative systems that integrate Weigh-In-Motion (WIM) with other technology. IRD’s virtual weigh stations integrate multiple technologies with WIM and have been widely deployed to make commercial vehicle enforcement more efficient. The system described uses IRD’s iSINC® electronics to provide data on commercial vehicle weights and truck identification to law enforcement personnel over the internet. For more information on our virtual weigh-in-motion systems, see our automated weigh station and virtual weigh station pages.

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About IRD PAT Traffic
About IRD PAT