One lane of Burley Griffin Way has reopened in Cunningar, east of Harden, as the recovery of a truck continues after an earlier crash.
The diversion has been lifted and motorists are taking it in turns to use the open lane under alternating stop and slow traffic control.
According to Transport for NSW, Motorists should continue to allow extra time and expect delays.
Motorists are also advised to follow the directions of traffic controllers and exercise caution.
A truck crash on Thursday morning has closed Burley Griffin Way in in both directions between Wallendbeen and Bowning
The road was closed at about 6am so the truck can be recovered from the crash scene at in Cunningar, east of Harden.
The crash location has been listed as near the intersection of Burley Griffin Way and Cunningar Road.
According to Transport for NSW, westbound motorists are being diverted via the Hume Highway, Muttama Road, Gundagai Road, Hovell Street and the Olympic Highway.
Eastbound motorists are being diverted via the Olympic Highway, Hovell Street, Gundagai Road, Muttama Road and the Hume Highway.
Motorists should allow extra time as the diversion adds considerable time to journeys.
Emergency services and traffic crews are at the scene working to move the truck.