The Mountain Road will be closed from 9:30am today for the next three weeks.
The Department of Infrastructure is carrying on with planned works which started during last week's closure.
This includes TT preparations such as the installation of one way signage, race safety equipment and marshal and filming points.
Victory Café, the Creg ny Baa, Snaefell Mountain Railway and Summit Café will all be open as usual throughout the closure.
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night
Mountain Road unlikely to open before Monday
Yellow warning for freezing temperatures tonight
School bangers night called off
AK47 and Uzi handed in to police