The Bulli Pass will be closed to all traffic in both directions from 9am the 4th of October until 2am the 5th of December. 

Refer below link for further information.
http://www.rms.nsw.gov.au/projects/illawarra/bulli-pass/bulli-pass-closure.html

Trainers attending trialling and race meetings who normally use the Bulli Pass  should allow another half an hour on the journey each way taking the Mount Ousley road