A multi-vehicle collision is completely blocking the off-ramp to state Route 167 and the right lane of northbound Interstate 5 in Tacoma, according to the state Department of Transportation.
The collision occurred about 3:25 p.m. at Bay Street.
Troopers and paramedics are on scene.
Backups reportedly extend two miles to Yakima Avenue.
UPDATE: WSDOT reports the collision has been cleared but backups still extend five miles.