Search datasets
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The District's Department of Transportation (DDOT) maintains centerline roadway data for all roads and alleys open to traffic. In recent years, the District has improved its centerline data...
Search relevance: 195.86 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
This point layer was created from the GTFS data feeds from the Washington D.C. Metropolitan Area Transportation Authority (WMATA) to represent the new WMATA bus transit stops for the Better Bus...
Search relevance: 62.95 | Views last month: 22 | Catalog Last Checked: November 03, 2026 at 10:31 PM -
This line layer was created from the GTFS data feeds from the Washington D.C. Metropolitan Area Transportation Authority (WMATA) to represent the new WMATA bus transit routes for the Better Bus...
Search relevance: 62.34 | Views last month: 4 | Catalog Last Checked: November 03, 2026 at 10:31 PM -
For a city, street blocks are a very common way in which to organize and relate asset types such as bicycle lanes. The bicycle lane layer is an extract of its parent layer Roadway Blocks. The...
Search relevance: 59.43 | Views last month: 7 | Catalog Last Checked: October 06, 2026 at 09:56 PM -
Maryland Roadway Centerline data consists of linear geometric features which represent the street centerline for all public roadways in the State of Maryland. The centerline represents the...
Search relevance: 59.06 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
Maryland Roadway Centerline data consists of linear geometric features which represent the street centerline for all public roadways in the State of Maryland. The centerline represents the...
Search relevance: 59.06 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
Maryland Roadway Centerline data consists of linear geometric features which represent the street centerline for all public roadways in the State of Maryland. The centerline represents the...
Search relevance: 59.06 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
Maryland Roadway Centerline data consists of linear geometric features which represent the street centerline for all public roadways in the State of Maryland. The centerline represents the...
Search relevance: 58.72 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
Maryland Roadway Centerline data consists of linear geometric features which represent the street centerline for all public roadways in the State of Maryland. The centerline represents the...
Search relevance: 58.30 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
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...
Search relevance: 51.38 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 10:31 PM -
Deprecation warning (November 2021): This dataset was part of a program that is now inactive. As such, we no longer actively maintain it but it remains present for historical reference. A....
Search relevance: 49.65 | Views last month: 3 | Catalog Last Checked: September 02, 2026 at 06:55 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the State Highway Administration (SHA) and local...
Search relevance: 44.82 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:51 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the State Highway Administration (SHA) and local...
Search relevance: 44.82 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:47 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the State Highway Administration (SHA) and local...
Search relevance: 44.51 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:51 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the State Highway Administration (SHA) and local...
Search relevance: 44.25 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
This dataset contains records of work completed and in-progress work from June 2018 to present for the purpose of tracking the installation and maintenance of roadway markings across the City of...
Search relevance: 38.24 | Views last month: 4 | Catalog Last Checked: October 26, 2026 at 11:48 PM -
The main dataset is a 130 MB file of trajectory data (I90_94_moving_final.csv) that contains position, speed, and acceleration data for small and large automated (L2) and non-automated vehicles on...
Search relevance: 28.33 | Views last month: 47 | Catalog Last Checked: October 15, 2026 at 08:47 PM -
The main dataset is a 9 MB file of trajectory data (I294_L2_final.csv) that contains position, speed, and acceleration data for small and large automated (L2) and non-automated vehicles on a...
Search relevance: 21.53 | Views last month: 36 | Catalog Last Checked: October 15, 2026 at 08:50 PM
