A two-car collision on the New England Highway near Pikes Gully Road in Liddell has closed the highway in both directions. The incident occurred at approximately 12:26 AM today and remains under investigation as of 5:06 AM. Emergency services, Transport for NSW, and the Crash Investigation Unit are attending the scene. Motorists are advised to: Use the designated diversions. Allow extra travel time. Plan their journey accordingly. Diversion Routes: Southbound (from Muswellbrook): Sydney Street, Denman Road, and Golden Highway, returning to New England Highway at Whittingham. Northbound (from Whittingham): Golden Highway, Denman Road, and Sydney Street, returning to New England Highway at Muswellbrook. These diversions are suitable for all...