Motorists are advised the Ulmarra and Lawrence ferries will not operate on Sunday October 1 to allow for the annual Bridge to Bridge Ski Classic on the Clarence River.
Services will not run between 9am and 12pm and motorists should plan their journey, allow extra travel time and follow all traffic signs.
Motorists can use Grafton Bridge as an alternative. Electronic messaging signs will be in place on approaches to both ferry services to remind motorists of the change.
Roads and Maritime Services apologises for any inconvenience caused.
For the latest traffic information call 132 701, visit livetraffic.com or download the Live Traffic NSW App.