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8,771 datasets for “open data”
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Maryland Vehicle Emissions Inspection Program: Certified Emissions Repair Facilities
Maryland Department of the Environment Air and Radiation AdministrationUpdated 24 Mar 2025
Certified Emissions Repair Facilities (CERFs) are vehicle repair shops that specialize in diagnosing, repairing, and maintaining emissions control …
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MD COVID-19 - Cases per 100K population, by jurisdiction
Maryland Department of Health Prevention and Health Promotion Administration, MDH PHPAUpdated 7 Oct 2025
… Terms of Use The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without …
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Toll Express Lanes
opendata.maryland.govUpdated 22 Jul 2025
Line data of all the Toll Express Lanes in Maryland.
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Assessor - Parcel Universe (Historical)
Cook County Assessor's OfficeUpdated 1 Nov 2026
… See additional datasets in the Assessor's Open Data Catalog.
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Legislative Districts - WA
internal.open.piercecountywa.govUpdated 17 Feb 2026
… The tabular data can change due to changes in elected officials, elected officials information, or tabular data corrections.
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Erosion Hazard Areas
internal.open.piercecountywa.govUpdated 5 Jul 2024
… Any data download constitutes acceptance of the Terms of Use (https://matterhorn.co.pierce.wa.us/Disclaimer/PierceCountyGISDataTermsofUse …
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Prince Georges County Transit Stops
opendata.maryland.govUpdated 22 Jul 2025
Bus stop locations for Prince George's County's Public Transit System. Shapes were drawn in Google Earth …
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Amtrak Rail Lines
opendata.maryland.govUpdated 22 Jul 2025
The Rail Network is a comprehensive database of the nation's railway system at the 1:100,000 …
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DCED Properties and RFPs
City of Cincinnati - Department of Community and Economic Development (DCED)Updated 13 Nov 2026
… https://data.cincinnati-oh.gov/dataset/Open-Data-How-To-Guide/gdr9-g3ad
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Urban Growth Boundaries
internal.open.piercecountywa.govUpdated 11 Nov 2026
… Any use or data download constitutes acceptance of the Terms of Use (https://matterhorn.piercecountywa.gov/disclaimer/PierceCountyGISDataTermsofUse …
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RTS
internal.open.piercecountywa.govUpdated 2 Oct 2026
… Any use or data download constitutes acceptance of the Terms of Use (https://matterhorn.piercecountywa.gov/disclaimer/PierceCountyGISDataTermsofUse …
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Active Vacant Building By-law Compliance Orders
data.winnipeg.caUpdated 13 Nov 2026
… Compliance Orders remain open and active until such time that all violations listed on a compliance order have …
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Contour Index
internal.open.piercecountywa.govUpdated 22 Sept 2023
… 2020 contour data into manageable sized shapefiles for download in the Pierce County Open GeoSpatial Data Portal. Some …
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Baltimore Metro Subway Line
opendata.maryland.govUpdated 22 Jul 2025
Maryland Transit Administration METRO routes. The 15.5-mile, 14-station Metro Subway system operates every. 8-10 …
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Toll Express Lanes
opendata.maryland.govUpdated 22 Jul 2025
Line data of all the Toll Express Lanes in Maryland.
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Federal Police Stations
opendata.maryland.govUpdated 22 Jul 2025
This dataset contains police facilities within Maryland that are operated by the U.S. Government.
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Restrictive Declaration Sites
Department of Parks and Recreation (DPR)Updated 16 Oct 2026
Publically accessible open-space constructed and maintained by a private entity pursuant to an agreement with NYC Parks …
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Community Plan Areas
internal.open.piercecountywa.govUpdated 29 Jun 2026
… Any use or data download constitutes acceptance of the Terms of Use (https://matterhorn.piercecountywa.gov/disclaimer/PierceCountyGISDataTermsofUse …
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Delmarva Community Transit Stops
opendata.maryland.govUpdated 22 Jul 2025
Bus stop locations for the Delmarva Public Transit System. Shapes were drawn in Google Earth, exported to GTFS …
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Frederick County TransIT Stops
opendata.maryland.govUpdated 22 Jul 2025
This layer displays TransIT shuttles, connectors, and Meet-The-MARC routes. All routes contain variations when applicable. Routes …
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