Emergency services are at the scene of a serious crash at Cockatoo Valley.
The single vehicle collision occurred on Williamstown Road, Cockatoo Valley just before 1.30pm on Tuesday 13 February. The crash also sparked a grass fire in an adjacent paddock.
Williamstown Road, Cockatoo Valley, is expected to be closed for several hours between Yettie Road and Burge Road.
Motorists are asked to avoid the area, if possible.