Table · dataset · 2025
State Highway Network Lines
Listed in California Open Data
StateHighways are state highways based upon the Caltrans Linear Referencing System.
Description
Each record in this layer represents a highway segment where the county, route, postmile prefix, and postmile suffix are the same. Each segment has a begin and end postmile.
This geometry is based upon the extraction from TSN on 8 June 2025. Route geometry updates based upon this extraction include routes 3, 36, 38, 49, 89, 139, 174, and 221. All updates received an update date of 6/8/2025 except for route 221 which received a date of 7/1/2025.
Links
Get the data
- Publisher page gis.data.ca.gov/datasets/77f2d7ba94e040a78bfbe36feb6279da_0 ↗
documentation · download · from data ca gov
- ArcGIS GeoService caltrans-gis.dot.ca.gov/arcgis/rest/services/CHhighway/SHN_Lines/FeatureServer/0 ↗
download · from data ca gov
- CSV gis.data.ca.gov/api/download/v1/items/77f2d7ba94e040a78bfbe36feb6279da/csv?lay… ↗
download · from data ca gov
- Shapefile gis.data.ca.gov/api/download/v1/items/77f2d7ba94e040a78bfbe36feb6279da/shapefi… ↗
download · from data ca gov
- GeoJSON gis.data.ca.gov/api/download/v1/items/77f2d7ba94e040a78bfbe36feb6279da/geojson… ↗
download · from data ca gov
- KML gis.data.ca.gov/api/download/v1/items/77f2d7ba94e040a78bfbe36feb6279da/kml?lay… ↗
download · from data ca gov
- File Geodatabase gis.data.ca.gov/api/download/v1/items/77f2d7ba94e040a78bfbe36feb6279da/filegdb… ↗
download · from data ca gov
Where it is published
- California Open Data dataset page data.ca.gov/dataset/state-highway-network-lines ↗
landing page · from data ca gov
Catalogue records · 1
- CKAN API data.ca.gov/api/3/action/package_show?id=412bebaf-798a-46aa-8ea9-e0a3c4658… ↗
metadata API · from data ca gov
Topics
- Stated by source
- Transportation
- From keywords
- Engineering
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| California Open Data | 412bebaf-798a-46aa-8ea9-e0a3c4658806 | 12 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[field].local:field:engineering | mapping · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[topic].ckan_group:data_ca_gov:transportation | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| created_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| description | source · data ca gov | connector:data_ca_gov@1.0.0 | /notes |
| license_text | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| publication_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| title | source · data ca gov | connector:data_ca_gov@1.0.0 | /title |
| updated_date | source · data ca gov | connector:data_ca_gov@1.0.0 |