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

  • Sanef scoops major North American toll orders
    December 19, 2013
    sanef ITS Technologies America continues to build on its success in North America with two major orders - from the Niagara Falls Bridge Commission (NFBC) and Blue Water Bridge Canada (BWBC). As the operator of the Alliance for Tolling Interoperability (ATI) hub clearing-house, sanef has expertise in interoperability initiatives, and is to supply its FastToll Interop for E-ZPass interface software to NFBC, which will enable the authority to process transactions from customers using E-ZPass transponders.
  • With C-ITS we can get ourselves connected
    June 27, 2025
    Workzones need to be safer for drivers and workers – and the technology exists to harmonise safety with mobility needs, says Swarco’s Daniel Lenczowski
  • Bluetooth speed and travel data collection shows cost savings
    February 2, 2012
    Houston TranStar is using Bluetooth sensors to collect speed and travel data in a project which is already demonstrating significant cost savings
  • Traffic Data Systems receives Swiss certification for WIM system
    September 19, 2017
    Traffic Data Systems’ WIM-DSP 32 low-speed and high-speed weigh-in-motion (WIM) system has been awarded an OIML-R134-1 certificate by the Swiss Federal Institute of Metrology, proving accuracy levels of ±5% (initial verification) and ±10% (in-service inspection) have been achieved. The Swiss institute’s supervised certification process required more than 500 test runs with different vehicles, speeds and loads.