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.

Related Content

  • September 4, 2020
    TDS keeps traffic authorities in the loop
    Traffic Data Systems (TDS) is showcasing its latest development in the field of loop-based traffic monitoring and classification systems.
  • September 7, 2014
    Bespoke weigh-in-motion data logger from Kistler
    Kistler is using its booth to highlight to the American market a bespoke weigh-in-motion (WIM) data logger designed to interface with Lineas WIM sensors. The company says this combination allows users to monitor traffic in real time and gather key vehicle data including weight and imbalance, axle loads and spacing, speed and driving behaviour.
  • November 9, 2017
    Mobinet counters weighty cross border concerns
    A Mobinet pilot is combining onboard weighing with V2X comms to streamline vehicle weight enforcement. David Crawford reports. Pan-European, cross-border weigh-in-motion (WIM) for trucks is now a practical possibility, following successful Scandinavian trials within the EU-co-funded Mobinet (Internet of Mobility) programme. New technology is using strain sensors, located on load-bearing components and routinely installed in truck fleet management systems.
  • November 29, 2022
    ITS Australia Awards: finalists revealed
    Cisco, Moovit and Q-Free are among the companies up for 13th ITS Australia Annual Awards