Downhill Truck Speed Advisory System

The Downhill Truck Speed Advisory System integrates Weigh In Motion (WIM), Dynamic Message Signs (DMS) and environmental road conditions to provide real-time vehicle-specific speed advisory to commercial vehicle operators.

  • Saves lives
  • Reduces damage
  • Targets vehicle
  • reduce delays and road closures


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IRD is proud to be a Silver Sponsor of Truckers Against Trafficking, an organization that exists to educate, equip, empower and mobilize members of the trucking and travel plaza industry to combat domestic sex trafficking.
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