Motorists are advised of changed traffic conditions from this week to carry out mandatory maintenance on the Ulmarra-Southgate ferry.

The ferry service will be closed to all traffic from Monday 12 July for at least three weeks to carry out its three-yearly maintenance program.

This maintenance ensures the ferry will continue to comply with maritime requirements and provide a satisfactory and efficient service.While the ferry is offline Transport for NSW will carry out dredging of the river channel to improve service reliability.

Motorists are advised to use alternative routes via Lawrence ferry or Grafton bridges while the Ulmarra ferry is closed.

Transport for NSW thanks motorists for their patience during this time.

For the latest traffic updates download the Live Traffic NSW App, visit livetraffic.com or call 132 701.

Ferry customers wishing to receive SMS notifications about ferry closures should advise if they want to be added to the Lawrence or Ulmarra ferry list, or both, by submitting their mobile number via email to: Region.North@transport.nsw.gov.au or by calling 02 6640 1331.