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Roadway Centerlines

Published by City of Washington, DC | District of Columbia | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-04-29T17:34:53.000Z
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 offerings to support a broad array of analyses and information sharing.

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