Home Skip to main content



  • Researchers developed a method to allow user to compare costs associated with different road surfaces. Specifically, the Surface Selection Tool is used to determine costs associated with maintaining roads with different surfaces and selecting the most appropriate road surface for a specific set of circumstances.
  • The Truck Weight Calculator provides a convenient way to determine the maximum legal weight that any set of axles on a vehicle/vehicle combination may carry on ND interstate and state highways. The allowable weight on a vehicle/vehicle combination may increase by either adding additional axles or by increasing the distance between axles. The formula for the calculator is a weight-to-length ratio. This formula was enacted by Congress and the State to limit the weight-to-length of a vehicle crossing a bridge.
  • Development of the Asset Inventory Toolkit is a team effort, led by UGPTI. A steering committee comprised of ten county transportation leaders, NDDOT representative, and NDACo representatives are providing guidance for the UGPTI's Inventory footprint development. The initial webinar, held August 12 set the stage for the project's development.
NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050