Seattle Traffic Collision Records All Years

A dataset of traffic collisions recorded by the Seattle Police Department and Traffic Records. It includes all collision types and is updated daily. The data is provided by the City of Seattle.

Use Cases

• Analyze collision frequency and patterns at intersections and mid-block segments to identify high-risk locations.
• Study the involvement of specific road users like pedestrians and bicyclists using tags such as 'Bicycle' and 'Pedestrian'.
• Map collision data using the provided KML and GeoJSON formats for spatial analysis of traffic safety.

Strengths

• Data is refreshed daily, ensuring current information.
• Provided by the authoritative City of Seattle organization.
• Available in multiple formats including CSV, JSON, and GeoPackage for flexibility.

Limitations

• The number of rows and specific columns are unknown, limiting pre-analysis assessment.
• The license is unspecified, which may restrict commercial or derivative use.
• Sample data is unavailable, making initial data structure validation impossible.

Provenance

Source

City of Seattle

Collection Method

Recorded by Seattle Police Department and Traffic Records.

Time Range

All Years

Freshness

Daily refresh, last updated 2026-03-22.

Geography

Seattle, Washington, USA.