Transportation Data, GIS & Modeling

Crash Data Report FAQ's


What information about crash data is available?

The crash data includes:


Are there any restrictions on the use of this crash data?

Under Section 409 of Title 23 of the United States Code, any crash data furnished is prohibited from use in any litigation against state, tribal or local government that involves the location(s) mentioned in the crash data.


Do you have crash records for all roads?

Yes. WSDOT maintains records for crashes on all public roadways in the state. This includes Interstate highways, US highways, State highways, county roads and city streets.


Who can request crash data?

There are no restrictions on who can request the data.


How do I request Washington State Patrol collision reports?

You would visit the Washington State Patrol to request copies of reports. You can also get a blank copy of a Citizen's Collision Report and you can request a copy of The Police Traffic Collision Report instruction manual for officers from their website.


How far back in time do your records cover?

Crash data has a 15 year retention schedule. Currently crash records that occurred on State Routes / Interstates, City Streets, County Roads and Miscellaneous Trafficways are available from 2005 to present (15 years plus available current year).


What is the source data for crash information?

Crash data records contain data from the Police Traffic Collision Reports (PTCRs), data derived from PTCR data (e.g., officer’s narrative and diagram), and data identified and included to support safety analysis and engineering.


What information do you need from me in order to fill a request?

Please provide as much information as possible describing the location for which you want the crash data. This could be a specific intersection or stretch of roadway, or a larger area, such as all crashes within a city or county. In addition, if there are any special factors you wish to use to limit the search, such as only crashes involving alcohol, these factors need to be included in your request. Finally, please provide your complete address and phone number so that we may contact you if we need additional clarification to fulfill your request.