The Southern 100 road races gets underway tonight, following a three year absence due to Coronavirus.
The Billown Circuit will close to traffic from 6.05pm this evening with practice due to take place in all classes.
Police say roads will open no later than 9:40pm, with the same closures taking place tomorrow and Wednesday.
On Thursday roads will close at 9:30am-12:45pm and again from 1:30-4:45pm.
The constabulary also says not to use Silverdale as a shortcut and to take care if using the back road diversion between Ballabeg via Grenaby to Ballasalla/Ballamodha.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
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