NorthConnex maintenance, nightwork, and tunnel closures from 10pm to 5am between Saturday 6 November and Thursday 18 November.

During November, the NorthConnex tunnel will close for planned maintenance work from 10pm to 5am on the following dates:

  • Dual tunnel closure - Saturday 6 November and Thursday 18 November (closed in both directions, detour via Pennant Hills Road)
  • Northbound tunnel closure - Sunday 7 November to Wednesday 10 November (detour northbound only via Pennant Hills Road
  • Southbound tunnel closure - Sunday 14 November to Wednesday 17 November (detour southbound only via Pennant Hills Road)

Traffic Changes

To minimise disruption to road users, crews will be working at night. During closures, motorists can detour via Pennant Hills Road to join the M1 at Wahroonga or M2 at West Pennant Hills.

Overhead variable messages and traffic control signs will alert road users of changes to traffic conditions.

Visit Live Traffic NSW for the latest traffic updates and information.

Contact us

NorthConnex apologises for any inconvenience and thanks our customers and the community for their patience and understanding during this time.

Please contact us with any enquiries or feedback.

Southern Interchange detour via Pennant Hills Road

detour map

Northern Interchange detour via Pennant Hills Road

detour map