SEATTLE, Washington — A motor home collided with vehicles being used by a Washington State Patrol trooper and a Seattle Department of Transportation employee on Interstate 5 north of downtown Seattle on Sunday morning, October 25, closing three lanes and the State Route 520 exit.

Source: Focal News (Seattle), citing Washington State Patrol

The workers were blocking the SR 520 exit when the crash happened near Hamlin Street, Washington State Patrol Trooper Rick Johnson said. The three left lanes of I-5 and exit 168B to SR 520 were closed while emergency crews responded and the state patrol investigated.

Source: Focal News — Motor home crash closes three I-5 lanes near Seattle's SR 520 exit

The trooper was inside his patrol car and was taken to Harborview Medical Center with leg pain and a possible concussion, Johnson said. A passenger in the motor home was hospitalized with a broken ankle. The condition of the transportation employee was not provided in the reporting.

Source: Focal News (Seattle)

A separate report of the crash, shared on Sunday by Seattle journalist Ian Hill, also described a motor home striking a Washington State Patrol vehicle and a transportation department truck that had their warning lights on, and said two people sustained injuries in the crash on I-5 in Seattle.

Source: Ian Hill (Threads), sharing a news report of the I-5 crash, Oct. 25, 2026

Authorities had no estimate for when the lanes would reopen and advised drivers to expect delays and use alternate routes. No cause for the crash had been released in the reporting available at publication time.