Route to shut for 12 days in April
The work which will close the Mountain Road for 12 days in April has been outlined by the Department of Infrastructure.
It will include resurfacing and re-profiling of the sections at the Waterworks and the Mountain Mile.
Preparatory work for the TT will also be carried out.
The route is due to be shut between Ramsey Hairpin and the Creg-ny-Baa from April 11 to 23.
Infrastructure Minister Phil Gawne: