Highways teams have begun to remove equipment and furniture following the Festival of Motorcycling.
Staff and contractors will be on the TT course and diversionary routes over the next week to complete the work.
Monday will see teams revert speed limits,replace roundabouts and pedestrian refuges, remove temporary one way systems and remove no parking areas. All these temporary measures will be in place until then.
The Department of Infrastructure says some of the works will be carried out early in the morning before traffic builds up.
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