Sydney Harbour Bridge northbound lane changes for Warringah Freeway upgrade
From 6am Saturday 4 October 2025 motorists travelling north on the Sydney Harbour Bridge to the Warringah Freeway will need to make lane decisions earlier, as work starts on the next phase of the freeway’s upgrade.
Changes on the freeway will enable work to build the final freeway northbound lane configuration between Milsons Point Station and Falcon Street, North Sydney.
This critical traffic change will allow Transport for NSW (Transport) to safely set up a construction area to build and install a new signage gantry and traffic barriers.
A spokesperson for Transport urged motorists to plan and be in the correct lane far earlier, while on Sydney Harbour Bridge.
“We are setting up a work area to allow us to safely build a new signage gantry and traffic safety barriers. To do this, we need to change lane alignments just after the Sydney Harbour Bridge.
“We ask people to please slow down, be prepared, follow the signage, know your lane and be in the correct lane while they are still on Sydney Harbour Bridge,” the spokesperson said.
During the weekday AM peak, northbound motorists will be required to:
• Use lanes 1 or 2 for Pacific Highway to access North Sydney
• Use lanes 2 or 3 to continue northbound towards Chatswood and Epping
• Use Lane 3 to access the Military Road exit to Mosman.
“Motorists can continue to access the Military Road exit from lane 2, however this access will close in the coming weeks. We encourage motorists to start using lane 3 for access to Manly and Mosman to learn their new route before permanent changes come into effect later this month,” the spokesperson said.
Motorists can use lane 4 to travel towards Chatswood and Epping outside the AM peak (5:30am to around 9:30am). Lane 4 will be closed 10pm Friday 3 October to 5am Monday 6 October before reopening northbound only for the public holiday. Tidal flow operations will resume from 5:30am Tuesday 7 October.
The traffic switch may temporarily result in increased travel times in this area. This is expected to improve as motorists adjust to the new lane arrangements.
Motorists should note there will be no access to the Warringah Freeway northbound from the Sydney Harbour Bridge from 12.30am to 6am Saturday 4 October and from 1am to 7am Sunday 5 October. Northbound motorists on Sydney Harbour Bridge should use the Pacific Highway instead. Motorists heading to Mosman/Manly can turn right into Miller Street and then right again at Falcon Street. Northbound access to the Warringah Freeway will be maintained via the Sydney Harbour Tunnel, which will remain open.
Transport thanks motorists for their patience during this time.
For more information about the traffic switch, visit this link.
For the latest traffic updates download the Live Traffic NSW App, visit livetraffic.com or call 132 701.