Changed traffic conditions on the Warringah Freeway

Published

Motorists are advised of changed traffic conditions on the Warringah Freeway.

Major traffic changes include: 

  • All southbound lanes of the Warringah Freeway will be closed between the Pacific Highway, Artarmon and Ernest Street, Cammeray from 10.30pm Friday 15 August to 6am Saturday 16 August 2025. There will be no access from the Lane Cove Tunnel to the Gore Hill Freeway.  

    Alternative routes are listed below:

  • Southbound motorists from Warringah Freeway should detour via Pacific Highway and Falcon Street southbound on ramp to access the Sydney Harbour Bridge and Sydney Harbour Tunnel
  • Southbound motorists from Reserve Road, Willoughby Road and Brook Street should detour via Pacific Highway and Falcon Street southbound on ramp
  • Eastbound motorists heading to Cammeray, Cremorne, Balgowlah, Mosman and Manly should use the Pacific Highway and Falcon Street instead.

There will be no southbound access to Sydney Harbour Tunnel north of Cammeray. Southbound motorists must use the Falcon Street southbound on ramp to access Sydney Harbour Tunnel.

During this period, the Warringah Freeway will remain open northbound and the Sydney Harbour Bridge will be open in both directions all weekend.

Other traffic changes include:

  • Miller Street southbound on ramp will be closed from 10pm tonight, Friday 15 August to 8am Saturday 16 August, 7pm Saturday 16 August to 9am Sunday 17 August and 8pm Sunday 18 August to 4.30am Monday 18 August.
  • Mount Street eastern on ramp to Cahill Expressway will be closed from 10pm tonight, Friday 15 August, to 6pm Sunday 17 August. Motorists travelling from Arthur Street or Mount Street to the Cahill Expressway should use the western on ramp from Mount Street to the Bradfield Highway and detour through the CBD, via the Grosvenor Street exit, Bridge Street and Macquarie Street to the Eastern Distributor.
  • The southbound off ramp from Warringah Freeway to Falcon Street/Military Road and the Ernest Street southbound on ramp will be closed from 10pm tonight, Friday 15 August, to 5am on Monday 18 August. Detours will be in place via the Pacific Highway and Miller St respectively.
  • Alfred Street North off ramp will be closed from 10pm to 5am on Tuesday 19 August, Wednesday 20 August and Thursday 21 August. Detour via Pacific Highway.

We are also closing the Sydney Harbour Tunnel on the below dates:   

  • Northbound from 11pm Friday 15 August to 6am Saturday 16 August
  • Northbound from 11pm Saturday 16 August to 6am Sunday 17 August
  • Northbound from 10.30pm Thursday 21 August to 5am Friday 22 August
  • Southbound from 10pm Thursday 21 August to 5am Friday 22 August.

There may be changes or extensions of closures. For the latest information on road closures, visit the Live Traffic NSW App or livetraffic.com. 
 

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