There has been a motor vehicle incident northbound on Lawson Crescent where it becomes Edinburgh Avenue, on the overpass over Parkes Way in Acton.
Both northbound lanes on Lawson Crescent are blocked and traffic is unable to get onto Edinburgh Avenue.
ACT Ambulance Service, ACT Fire & Rescue and ACT Policing are on scene.
Traffic is being heavily affected. The community is asked to avoid the area and use an alternative route.