A semi-truck carrying motorcycles rolled over on its side during the evening commute Wednesday just after 5 p.m. in the cloverleaf from northbound 167 to southbound 405.
Renton Fire and Emergency Services and Washington State Patrol responded to the scene. The driver sustained minor injuries; He was seen limping from the truck, according to fire scanner traffic.
The onramp was closed as traffic backed up on northbound 167 to Valley Medical Center and forced commuters to take Grady Way or travel northbound 405.
Two large tow trucks were brought in just after 6 p.m. to right the truck. The ramp remained closed until the accident was cleared.
Speed is believed to be the cause of the rollerover accident.