Vigo County, Ind., GIS GPS sign integration

Topcon Positioning Systems wrote software that would integrate locational data captured by its hand-held GRS-1 GPS unit with values captured by Professional Pavement Products’ RoadVista 922 retroreflectometer.

In addition to the GRS-1 receiver/controller (shown here), the software also integrates the retroreflectometer with Topcon’s Tesla field controller.

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