Isle of Man Transport says a slow-moving steam convoy will be travelling over the Mountain Road this morning.
The vehicles, part of the Festival of Steam, caused major traffic delays on Thursday as roads were closed to allow it to travel north.
From 10am they'll leave Ramsey Quay and travel south over the closed Mountain Road to Douglas, pausing at the TT Grandstand before heading to Banks Circus.
Sunday's trip over the Sloc will not now take place.
The Department of Infrastructure has apologised for tailbacks caused by the convoy and is asking motorists to be patient.
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