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Curbs

Published by Office of the Chief Technology Officer | District of Columbia | Metadata Last Checked: February 26, 2026 | Last Modified: 2026-02-20T14:35:11.000Z
Curb: The edge of roads, alleys, ramps or parking lots, other than those for which polygons can be formed. Curbs are rims, usually made of concrete, along a roadway, forming an edge for a sidewalk. Curbs do not occur where the sidewalk meets the road, such as at wheelchair or access ramps, and driveways. Hidden Curb: Hidden curbs are depicted where curbs cross beneath underpasses or through tunnels. The location of these features are inferred.

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