The Wisconsin Department of Transportation (WisDOT), a state governmental agency, oversees the planning, construction, and maintenance of Wisconsin’s extensive 11,753-mile state highway system, which accommodates over 36 billion vehicle miles annually and includes over 5,000 bridges.
WisDOT is also involved in planning passenger rail, public transit, freight water transport, air transport, and driver/vehicle registration.
To ensure efficient transportation solutions, WisDOT relies on careful monitoring and in-depth knowledge of the roadways and bridges that make up the system. WisDOT creates and maintains mapping data for its own use in designing and tracking its projects. It also supplies mapping data to the public to support business, recreational, and other interests. In addition to highways and bridges, WisDOT’s mapping includes features such as bike trails, railroads, and harbors.
GPI Geospatial, under three consecutive two-year Master Photogrammetry & UAS contracts, provided lidar and photogrammetry services. These services included aerial imagery, aerial lidar, mobile lidar, and photogrammetric corridor mapping. Adhering to stringent DOT specifications and quality control procedures, GPI Geospatial completed 23 independent work orders, covering tasks from aerial lidar and imagery acquisition, mobile lidar acquisition to full photogrammetric mapping for diverse transportation projects. A fourth two-year Master Photogrammetry & UAS contract was approved in 2024.
Project Highlights
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Owner/ClientWisconsin Department of Transportation
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LocationStatewide Wisconsin
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ServicesAerial LiDAR
Mobile LiDAR
Photogrammetry
Unmanned Aircraft System (UAS)
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