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

  • Integrating traffic systems improves management and control
    April 25, 2012
    Following a successful trial in 2007, VicRoads has adopted Streams Motorway Management from Transmax as its primary traffic management and control system Throughout the world, the avoidable social cost of traffic congestion continues to rise each year with increased motorisation, urbanisation and population growth. Traffic congestion is responsible for an increase in travel times, vehicle operating costs and carbon emissions. In 2007, VicRoads commissioned Streams Motorway Management for the M1 Monash Freew
  • 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.