United States Department of Transportation
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Edition:Final Report October 2018 – April 2021
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Abstract:The South Dakota Department of Transportation (SDDOT) Office of Transportation Inventory Management operates a road and pavement evaluation system consisting of a vehicle equipped with roadway evaluation equipment and computers at the SDDOT central office to process data collected by the vehicle. This system acquires roadway and pavement images, pavement roughness, cracking, rutting, and faulting values. Data is used by the SDDOT for the Pavement Management System (PMS) and the Highway Performance Monitoring System (HPMS). The roadway evaluation system purchased from FUGRO Roadware has been in operation since 2013. Because sensor technology has improved and the vehicle has over 162,000 miles on it, the SDDOT needed to replace the FUGRO roadway evaluation system after the 2019 collection year. The goals of this research project were to acquire a new roadway evaluation system based upon the needs of the SDDOT and then validate that system. To accomplish these goals, the researcher invited vendors to the SDDOT to present their systems and make technical presentations to the technical panel. Interviews were conducted with the users of the FUGRO roadway evaluation system or data provided by the system to define functional requirements for the new system. Purchasing specifications were created and a request for procurement for a new roadway evaluation system was issued. After acquiring a new system from Pathway Services, Inc., acceptance testing was performed to verify the functionality and accuracy of the data generated by the system. The new roadway evaluation system was able to pass the requirements of the acceptance testing and was used by the Office of Transportation Inventory Management for the 2020 collection year.
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