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State Highway Network Postmiles Tenth

  • Published by: Caltrans
  • Last updated: Wednesday, October 8, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles are valid postmile points at 0.1 (1/10th) mile intervals, based on the Caltrans Linear Referencing System. Exceptions that are included are ...

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