Most roads across the island are “clear or passable with care” though, police say.

The rules include expanding works that can be carried out in conservation areas without permission.

Those with the condition raise difficulties in accessing help as part of a government consultation.

Eleven-time Isle of Man TT winner Phillip McCallen says Michael Dunlop could go on winning for another 10 years after he joined Joey Dunlop as the most successful rider at the event on Saturday.