The Great Western Highway between Mount Victoria and Lithgow will be closed to traffic on Thursday 14 July from 8pm to 5am for emergency maintenance work.
A detour will be in place via Chifley Road and Darling Causeway.
OSOM vehicles will be escorted through the worksite and must call prior to arrival on 0448 988 643
An additional 15 minutes travel time for the detour should be allowed for.
For the latest traffic information, visit , download the Live Traffic NSW app or call 132 701.
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