Street Segment and Intersection (CNN) Change Log for San Francisco

A list of Street Segment and Intersection (CNN) changes maintained by the City of San Francisco. The log includes records for new, dropped, realigned, divided, and split street features. It was last updated on March 22, 2026.

Use Cases

• Update city basemaps based on new, dropped, or realigned street segment records.
• Analyze urban development patterns based on the history of street splits and divisions.
• Maintain referential integrity for other city datasets that rely on CNN identifiers.

Strengths

• Log is maintained by the City of San Francisco, an authoritative source.
• Data is available in multiple machine-readable formats (RDF, JSON, CSV, XML).
• Last update timestamp is precisely recorded (2026-03-22 04:15:11.053499).

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

City of San Francisco

Freshness

Last updated 2026-03-22 04:15:11.053499; freshness should be verified.

Geography

San Francisco, California, USA