SDOT Street Signs: Locations and Attributes for Seattle Block Faces

Street sign locations and attributes for block faces throughout the City of Seattle, categorized by sign type. The dataset is refreshed daily and includes status fields such as INSVC and PLNRECON. It is published by the City of Seattle and was last updated on 2026-03-22.

Use Cases

• Map sign inventory and density based on location and category attributes
• Plan maintenance and replacement schedules based on sign status fields (e.g., INSVC, PLNRECON)
• Analyze spatial distribution of traffic control devices for urban planning
• Integrate sign locations with other transportation network datasets for city modeling

Strengths

• Daily refresh cycle suggests relatively current data
• Includes multiple status categories (INSVC, PLNRECON) for operational tracking
• Available in multiple geospatial formats (KML, GeoPackage, GeoJSON) for interoperability

Limitations

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

Provenance

Source

City of Seattle

Collection Method

Likely collected and maintained by the Seattle Department of Transportation (SDOT) as part of infrastructure management.

Time Range

Temporal coverage is not specified in the description.

Freshness

Daily refresh cycle; last updated 2026-03-22 03:34:25.907443

Geography

City of Seattle, Washington, USA