Traffic Analysis Zones for Metropolitan Washington Council of Governments

Metropolitan Washington Council of Governments provides Traffic Analysis Zones (TAZ) for the COG/TPB Modeled Region. This dataset is used to join several types of zone-based transportation modeling data for the District of Columbia area. It was last updated in February 2025.

Use Cases

• Join zone-based transportation modeling data using the TAZ geographic identifiers for regional planning.
• Analyze traffic and people movement patterns across the Washington D.C. region using the zone-based spatial framework.
• Integrate TAZ boundaries with other geospatial datasets via the provided GEOJSON or KML formats for multi-layer analysis.

Strengths

• Data is recent, with a last update timestamp of February 5, 2025.
• Available in multiple standard geospatial formats including GEOJSON, KML, and OGC WMS for broad compatibility.
• Published under a permissive Creative Commons Attribution (cc-by) license.

Limitations

• No sample data or column schema is provided, making initial data exploration difficult.
• The dataset size and number of zones (rows) are unknown, limiting assessment of its scale and completeness.
• Focus is exclusively on the Metropolitan Washington Council of Governments region, limiting geographic applicability.

Provenance

Source

District of Columbia, Metropolitan Washington Council of Governments.

Freshness

Last updated on 2025-02-05.

Geography

COG/TPB Modeled Region, Metropolitan Washington Council of Governments, District of Columbia area.