Changed traffic conditions on the Warringah Freeway
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 Lane Cove Tunnel, Artarmon and Ernest Street, Cammeray from 10.30pm Thursday 6 November to 5am Friday 7 November 2025.
The following freeway ramps will also be closed:
• Reserve Road southbound on and off ramps
• Willoughby Road southbound on ramp
• Brook Street southbound on ramp
• Miller Street southbound on ramp
• Ernest Street southbound on ramp
• Military Road southbound off ramp.
Motorists will be detoured via Pacific Highway and Falcon Street for access to Sydney Harbour Bridge and Military Road.
Traffic changes include:
• Ernest Street southbound on ramp will be closed from 10pm Friday 31 October to 5am Monday 3 November. Use the Miller Street or Falcon Street southbound on ramps.
• Brook Street southbound on ramp will be closed from 10pm Friday 31 October to 5am Monday 3 November. From the Northern Beaches via Roseville Bridge, use the Pacific Highway or the Willoughby Road on ramp. All other motorists can use Miller Street southbound on ramp instead.
• Warringah Freeway southbound lane reductions between Brook Street and West Street from 10pm Friday 31 October to 5am Monday 3 November. Please slow down and follow signage. Expect delays.
• There will be changed traffic conditions in southbound inner lanes travelling towards the Sydney Harbour Tunnel from 10pm Friday 31 October to 5am Monday 3 November. Please slow down and follow signage.
• Mount Street underpass will be closed from 10pm Friday 31 October to 10pm Saturday 1 November. Use freeway bus lane for access to the Cahill Expressway.
• Mount Street eastern on ramp to Cahill Expressway will be closed from 10pm Friday 31 October to 10pm Saturday 1 November. Use the western on ramp from Mount Street to the Bradfield Highway instead and detour through the CBD, via the Grosvenor Street exit, Bridge Street and Macquarie Street to the Eastern Distributor.
• Arthur Street between High Street and Mount Street will be closed from 9pm Friday 31 October to 4am Sunday 2 November. Use Walker Street, Berry Street, Arthur Street southbound and Mount Street.
• Arthur Street northbound slip lane will be closed from 9pm Friday 31 October to 4am Sunday 2 November. Use Pacific Highway northbound, Miller Street, Berry Street, Walker Street and High Street eastbound.
• Northbound inner lanes on the Warringah Freeway will be closed from 10pm Friday 31 October to 5am Monday 3 November. Use northbound outer lanes instead.
We are also closing the Sydney Harbour Tunnel on the below dates:
• Southbound from 10.30pm Saturday 1 November to 6am Sunday 2 November
• Southbound from 10pm Sunday 2 November to 5am Monday 3 November
• Northbound from 10.30pm Tuesday 4 November to 5am Wednesday 5 November
• Southbound from 10pm Tuesday 4 November to 5am Wednesday 5 November
• Northbound from 10.30pm Wednesday 5 November to 5am Thursday 6 November
• Southbound from 10pm Wednesday 5 November to 5am Thursday 6 November
• Northbound from 10.30pm Thursday 6 November to 5am Friday 7 November
• Southbound from 10pm Thursday 6 November to 5am Friday 7 November
There may be changes or extensions of closures. For the latest information on road closures, visit the Live Traffic NSW App or livetraffic.com