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2 datasets

State Highway Network Postmiles

Published by: Caltrans
Last updated: Monday, August 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The LRSN_Postmile feature class is an Esri Roads and Highways Network (or more generically a Linear Referencing Method) that represents the California...

State Highway Network Odometer

Published by: Caltrans
Last updated: Monday, August 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Odometer dataset is used to support accurate distance-based referencing along the State Highway Network. It helps users compare postmile values wi...