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Working on a project to determine the speed limits of every road network within Metro Atlanta's boundary. I have GDOT RC data, Navteq/HERE data, ABM data made in-house, and Open Street Maps. These all differ a bit. Where can I find, or pull, the data to get closer to the completion of my project?

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  • Could you confirm that the ABM data stands for Activity Based Model? Also, which version of ArcGIS do you have?
    – Daniel Miller
    Commented Oct 17, 2016 at 14:08
  • ABM is activity based model. It is ArcGIS 10.2.2.
    – Sigal Carmenate
    Commented Oct 18, 2016 at 19:52

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You need to define a hierarchy of speed limits. The NavTeq/Here data will include all roadway databases; starting with this, then you can spatially join the data to the base network you create.

The key will be determining which database you "trust" more.

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