Washington DC Traffic Crash Participant and Vehicle Details

District of Columbia crash data derived from the Metropolitan Police Department's COBALT system, enhanced and located by the District Department of Transportation. This related table provides details on crash participants, including type, age, injury severity, vehicle type, and impairment indicators. The dataset is linked to a primary crash layer via a CRASHID field and was last updated in March 2026.

Use Cases

• Analyze injury severity patterns based on participant type (driver, bicyclist, pedestrian) and age.
• Model the association between vehicle type (passenger car, large truck, bicycle) and crash outcomes.
• Identify risk factors for crashes involving speeding or impaired persons based on the indicated flags.
• Study jurisdictional patterns of crashes based on the state where a vehicle's license plate was issued.

Strengths

• Data is enhanced with location references along DDOT roadway block lines.
• Includes specific participant details like impairment and speeding indicators as listed in the description.
• Published under a permissive CC-BY-4.0 license.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Crashes with missing or incomplete location data are excluded from publication.

Provenance

Source

Metropolitan Police Department's (MPD) crash data management system (COBALT), summarized by the District Department of Transportation (DDOT).

Collection Method

Derived from an official crash data management system and enhanced with geographic location.

Freshness

Last updated 2026-03-25 08:06:02.031259; freshness should be verified.

Geography

Washington, District of Columbia, USA.