The Mountain Road will close at 9.30am on Friday 27th May from Barrule Park in Ramsey to The Creg Ny Baa to enable preparation work to take place ahead of the 2016 TT Races.
When the road reopens later that day (4.30pm) it will be one-way for the duration of the festival from Ramsey Hairpin to Creg Ny Baa.
The Mountain Road will close again at 9.30am on Monday 13th June and when it reopens at 4.30pm that day it will revert to two-way traffic.