Spokane County I-90 Crash Causes Major Traffic Delays Near Idaho Border

Spokane County, Washington (August 31, 2026) – A major crash along the Interstate 90 (I-90) corridor near the Washington-Idaho border blocked all westbound lanes and caused significant traffic delays, according to preliminary information.

The crash occurred near the Washington-Idaho state line along I-90 in Spokane County. The collision resulted in a complete blockage of the westbound lanes, affecting traffic traveling toward the state border and creating significant delays for motorists.

Authorities and emergency crews responded to the area to manage the crash scene and address the roadway blockage. Drivers traveling through the corridor were advised to use caution and expect delays while the incident was handled.

Additional information regarding the number of vehicles involved, potential injuries, property damage, the cause of the crash, and the identities of those involved has not been provided.

The incident remains subject to further investigation. Additional details may be released as authorities continue their response and assessment of the crash.

Our thoughts are with everyone affected by this incident.

Accident Investigation

Major interstate crashes can require investigators to examine numerous factors, including vehicle positions, roadway conditions, traffic patterns, driver actions, weather conditions, witness statements, and other physical evidence that may help determine how the collision occurred.

Investigators may also review photographs, emergency response records, vehicle information, surveillance footage, witness accounts, and other available documentation when determining the circumstances surrounding a highway collision.

In this case, the crash occurred along I-90 near the Washington-Idaho border and blocked all westbound lanes. Specific details regarding the cause of the collision, potential injuries, and extent of vehicle or roadway damage have not yet been released.

What to Do Near an Active Crash Scene

Drivers approaching an active crash scene should slow down, remain alert, and follow directions from emergency personnel. When possible, motorists should use an alternate route and allow emergency crews sufficient space to access and clear the scene.

Drivers should avoid attempting to pass through blocked lanes, entering restricted areas, or interfering with emergency operations. Sudden lane changes or stopping near an active crash scene can create additional hazards for motorists and first responders.

When it is safe and appropriate, witnesses may provide relevant information to responding authorities. Photographs, vehicle details, and witness accounts may assist investigators in determining the circumstances of a collision.

Privacy & Compliance Notice (Washington-Specific)

This report is based on preliminary information regarding a major crash along the I-90 corridor near the Washington-Idaho border in Spokane County. It does not include additional personal identifying details beyond the information provided.

Details concerning the vehicles involved, drivers, potential injuries, property damage, roadway conditions, cause of the crash, and traffic impacts may change as additional information becomes available. Authorities may release further information as the response and investigation progress.