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23 May 2023
Sydney Harbour Tunnel scheduled maintenance and road works

During June the Sydney Harbour Tunnel will undergo important scheduled maintenance and road works that will require a number of full and partial overnight closures.

When full closures of the tunnel are required a detour via the Sydney Harbour Bridge is available.

When there are vehicle breakdowns, incidents or accidents in the tunnel, full and partial closures may be necessary without prior notice. To view real-time traffic conditions for the Sydney Harbour Tunnel, go to LiveTraffic NSW.


Upcoming planned closures:

Partial closures 

10:30pm Tues 20 June - 4:00am Weds 21 June - one lane Southbound

11:00pm Tues 20 June - 4:00am Weds 21 June - one lane Northbound

10:30pm Weds 21 June - 4:00am Thurs 22 June - one lane Southbound

11:00pm Weds 21 June - 4:00am Thurs 22 June - one lane Northbound

10:30pm Thurs 22 June - 4:00am Fri 23 June - one lane Southbound

11:30pm Thurs 22 June - 4:00am Fri 23 June - one lane Northbound

Information about upcoming Sydney Harbour Tunnel full and partial closures is also provided on LiveTraffic NSW.

Visit for more information on the Sydney Harbour Tunnel.