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Adopt-A-Highway (AAH) All Highways

  • Published by: Caltrans
  • Last updated: Monday, October 5, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The AAH_all_Highway feature class displays Adopt-A-Highway sites as highway segments for the entire California State Highway Network, merged from all ...

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