Delays are expected for motorists on part of the TT course this week.
The Department of Infrastructure says it needs to carry out emergency work at Braddan Church roundabout.
It means there'll be temporary traffic lights on each of the three approaches until the surfacing work is complete.
The DOI says it hopes to finish on Wednesday.
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
"No dispute" over Liverpool Ferry Terminal, says main contractor
More weekend bus strikes to come after 10-day walkout?
Minister to face question about bus strike