Intersection Points: Washington DC Road Network Features

Intersection points for Washington DC include regular at-grade intersections, overpasses, underpasses, and ramps. The data is part of the Master Address Repository (MAR) and is primarily derived from the DC Department of Transportation's street databases. It was last updated on March 25, 2026, by the District of Columbia government.

Use Cases

• Map urban connectivity based on intersection types like regular, overpass, underpass, and ramp.
• Analyze road network topology for routing applications using geospatial intersection points.
• Support address validation systems by integrating with the Master Address Repository (MAR).

Strengths

• Includes multiple intersection types (regular, overpass, underpass, ramp) for detailed network modeling.
• Provides temporal metadata such as created date and last edited date for version tracking.
• Available in multiple geospatial formats (GEOJSON, KML, ArcGIS REST API) for interoperability.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

District of Columbia Office of the Chief Technology Officer (OCTO) and DC Department of Transportation (DDOT).

Collection Method

Derived from DDOT's Street Spatial Database (SSD) and Roads & Highways database.

Freshness

Last updated 2026-03-25 08:15:03.183149; freshness should be verified.

Geography

Washington, District of Columbia, USA.