Closure in place between Ramsey and Creg-ny-Baa from 10am to 12pm
The Mountain Road will close later this morning to allow temporary speed limit signs to be put in place.
The closure will be in force from 10am until midday from Barrule Park in Ramsey to the Creg-ny-Baa Back Road.
The temporary restrictions will be in force until after the Manx Grand Prix and Classic TT, with the route due to shut again on 1 September for the signage to be removed.
The Mountain Road will remain two way throughout the racing period.