Checked
State dataTransportation
Mileposts
Published by Roadway Inventory and Classification (RICS) Unit, Oregon Department of Transportation (ODOT) · Updated 07/25/2025
- Last updated
- 07/25/2025
- First published 07/24/2025
- Update frequency
- Not listed
- Formats
- 5
- CSV, GeoJSON, KML
- Coverage
- Oregon
- Statewide
About this dataset
This data contains the location and legend of mileposts markers (signs) on state owned highways.
Additional metadata resouce: https://geoportalprod-ordot.msappproxy.net/geoportal/catalog/main/home.page
Files and access
Links open the official government source
- CSVgeohub.oregon.govCSV
- ArcGIS GeoServicegis.odot.state.or.usJSON
- GeoJSONgeohub.oregon.govGeoJSON
- Shapefilegeohub.oregon.govZIP
- KMLgeohub.oregon.govKML
- ArcGIS Hub Datasetgeohub.oregon.govWeb page
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Mileposts?
- Roadway Inventory and Classification (RICS) Unit, Oregon Department of Transportation (ODOT), part of State of Oregon, publishes this dataset on Data.gov.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 07/25/2025.
- How do I download it?
- It is available as CSV, JSON, GeoJSON, ZIP, KML. Use the links in Files and access, which open the official government source.
Similar data from other publishers
- Rail MilepostsDepartment of TransportationThe FRA Milepost is a spatial file that originates of multiple sources and contains point locations of mileposts along the FRA's rail network. The mileposts was developed from varies sources and should only be used as a reference file. The railroad lines and tCSVJSONGeoJSONXMLUpdated 03/03/2022
- Rail MilepostsDepartment of Transportation · Federal Railroad AdministrationThe Rail Mileposts dataset was compiled on June 15, 2025 and was updated on September 01, 2025 by the Federal Railroad Administration (FRA), and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National TranspoUpdated 09/01/2025
- Rail MilepostsFederal Geographic Data Committee · Federal Railroad AdministrationThe Rail Mileposts dataset was compiled on June 15, 2025 and was updated on September 01, 2025 by the Federal Railroad Administration (FRA), and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National TranspoCSVXLSXTXTZIP+7Updated 11/19/2025
- Rail MilepostsState of Virginia · U.S Department of TransportationThe FRA Milepost is a spatial file that originates of multiple sources and contains point locations of mileposts along the FRA's rail network. The mileposts was developed from varies sources and should only be used as a reference file. The railroad lines and tCSVJSONXMLGeoJSON+2Updated 09/25/2026
- Highway Mileposts in ColoradoState of Colorado · CDOTMileposts (or mile markers) along highways and their locations collection during GPS mapping efforts in the early 2000s from the Colorado Department of Transportation (CDOT).CSVJSONGeoJSONXMLUpdated 12/04/2025Not updated (static)
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/24/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher
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