HOUSTON (KTRK) -- There's a big traffic mess on the Southwest Freeway you'll want to avoid this afternoon.
An accident involving a heavy truck had all northbound lanes shut down at Spur 527. It's back open, but there's still a major backup in the area.
At this point, we don't know of any injuries.
Watch Eyewitness News throughout the afternoon for the latest on this traffic tie-up.