Skip to main content

IRD wins Oklahoma DOT traffic management systems maintenance

Quarterhill subsidiary International Road Dynamics (IRD) is to supply the Oklahoma Department of Transportation (ODOT) with traffic monitoring systems (TMS) maintenance and service under a new five-year contract valued at US$4.23 million with the IRD will provide installation, repair, service and calibration at 95 TMS locations, which currently consist of 23 weigh-in-motion (WIM) and 72 automatic vehicle classification (AVC) stations.
September 27, 2017 Read time: 2 mins
Quarterhill subsidiary 69 International Road Dynamics (IRD) is to supply the Oklahoma Department of Transportation (ODOT) with traffic monitoring systems (TMS) maintenance and service under a new five-year contract valued at US$4.23 million with the


IRD will provide installation, repair, service and calibration at 95 TMS locations, which currently consist of 23 weigh-in-motion (WIM) and 72 automatic vehicle classification (AVC) stations.

All systems installed in Oklahoma are solar powered and accessible via cellular modem. Traffic data collected at these stations include vehicle volume, speed, type, direction of travel, and time of travel. WIM locations also collect valuable axle weight data that can be used to estimate vehicle loading on the associated highways and infrastructure.

Under the turnkey services agreement, IRD is responsible for all equipment, materials, labour and technical expertise to successfully install, repair, maintain and operate all WIM and AVC systems. IRD solutions allow the customer to receive a complete package of services and data from one experienced vendor.  IRD provides a comprehensive program that includes the design, manufacturing, installation, collection of data, post-processing of data, report generation, and maintenance of data collection systems.

For more information on companies in this article

Related Content

  • TransCore involved in two ITS New York awards
    April 19, 2012
    TransCore has announced it participated in two winning projects announced at the ITS New York 18th Annual Meeting and Technology Exhibition. Of the six projects to receive awards, TransCore participated in the Outstanding Project of the Year in Traffic Control Systems for Integrated Adaptive Traffic Signal Control Decision Support and the Outstanding Project of the Year in Roadway Management for the New York State Thruway's Woodbury Toll Barrier - Highway Speed E-Z Pass system.
  • Virginia presses ahead with tunnels upgrade despite tolls challenge
    July 30, 2013
    David Crawford reviews current developments and legal/financial issues facing tunnel management in Virginia. This autumn the Virginia Department of Transportation (VDOT) in the US will defend its plan to introduce tolling on the Elizabeth River tunnels linking the cities of Norfolk and Portsmouth in the State’s Hampton Roads area. The tolling, which is due to start from February 2014, will be examined by the State’s Supreme Court later this year. The anticipated toll income, along with loans and bonds, is
  • Texas and Oklahoma toll systems to go interoperable in 2014
    February 18, 2013
    Officials in Texas and Oklahoma say their electronic toll systems could be interoperable in 2014. Chairman of the Team Texas Interoperability Committee Clayton Howe says the exact timing will be up to Oklahoma to decide but indications are it could be up and running by the end of the year. Interoperability will mean Texans will be able to travel Oklahoma's turnpikes and receive their tolls on their Texas accounts. Similarly, Oklahoma drivers will be able to drive on Texas tollroads and be billed to their Ok
  • Assessing driver behaviour in work zones
    May 31, 2013
    David Crawford looks at moves to increase throughput and safety in work zones.