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

  • April 5, 2016
    IRD demonstrates SAW III portable axle scale
    International Road Dynamics is demonstrating its new SAW III portable axle scale and VectorSense sensor technology here at Intertraffic Amsterdam. The SAW III scale is certified for enforcement weighing of transport trucks and can also be used for screening vehicles at slow speed using weigh-in-motion (WIM).
  • May 7, 2021
    Change in the air for Brazil WiM
    Recent changes to weighing standards and legislation in Brazil allow for expansion of Weigh in Motion technology in an attempt to address some familiar challenges
  • September 6, 2017
    Remote remedies help US authorities identify bridge deficiencies
    Every day 185 million vehicles – cars, trucks, school buses, emergency response units - cross one or more of America’s 55,710 'structurally compromised' steel and concrete road bridges, the highest concentration of which are in Iowa (nearly 5,000), Pennsylvania and Oklahoma. Nearly 2,000 of these crossings are located on interstate highways, according to the American Road and Transportation Builders Association's recent analysis of the US Department of Transportation's 2016 National Bridge Inventory.
  • December 9, 2020
    IRD wins $2m enforcement deal in Ukraine
    Second WiM contract in the country this year covers four sites