Temporary traffic lights will be in use on Sulby Straight from next week.
The Department of Infrastructure says it's undertaking resurfacing work to improve conditions for road racing ahead of the TT.
The affected area is the stretch of road between Ballabrooie Estate and St Stephens Church, with works set to start from Tuesday May 2.
Temporary traffic lights will be in operation 24/7 throughout the works.
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