A crash involving two cars was reported at 11pm, yesterday, Tuesday, November 11.
The crash happened on the Bruxner Highway at Irvington, east of Casino near Carltons Road.
This morning, the highway is still closed and the crash investigation unit is processing the scene, police said.
Diversions are in place.
Eastbound: East St, Spring Grove Rd, Caniaba Rd. Rejoin Bruxner Highway.
Westbound: Caniaba Rd, Spring Grove Rd, East St, Rejoin Bruxner Highway.
This detour adds about 15 minutes of travel time.
Heavy vehicles will need to be parked in a safe location or use the Pacific Highway, Big River Way and Summerland Way.
IndyNR.com is waiting on further information from NSW Police.