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Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Roadway SubBlock

    Metadata Updated: February 4, 2026

    SubBlock represent the near-full extent of our centerline network (only driveways are excluded). SubBlock is the finest grained, 'base' segments from which all other segmentation patterns can be constructed (including Blocks). SubBlock is the original source features for our DDOT Street Centerlines data. Road types include streets, Alleys, Ramps, Service Roads, and Trails. Previously called Roadway Segments.

    For more information please visit DDOT's wiki page.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: Creative Commons Attribution

    Downloads & Resources

    Dates

    Metadata Created Date April 30, 2024
    Metadata Updated Date February 4, 2026

    Metadata Source

    Harvested from DC data

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 30, 2024
    Metadata Updated Date February 4, 2026
    Publisher District Department of Transportation
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=df571ab7fea446e396bf2862d0ab6833&sublayer=162
    Data First Published 2020-11-13T15:34:26.000Z
    Data Last Modified 2026-02-01T19:31:45.000Z
    Category geospatial
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id a34c8d93-1272-4cc1-b133-be2f0b30d149
    Harvest Source Id b05f955a-65d6-4288-9558-15a5ebc74e36
    Harvest Source Title DC data
    Homepage URL https://opendata.dc.gov/datasets/DCGIS::roadway-subblock
    License https://creativecommons.org/licenses/by/4.0
    Metadata Type geospatial
    Old Spatial -77.1167,38.7932,-76.9094,38.9953
    Source Datajson Identifier True
    Source Hash 9ad7eeabeeb281d7d1fb230571cb54c35e7534a4bca5648555a6fe96a7806ef6
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -77.1167, 38.7932, -77.1167, 38.9953, -76.9094, 38.9953, -76.9094, 38.7932, -77.1167, 38.7932}

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