Roadworks are taking place around the Billown circuit from today, Tuesday, May 5, in preparation for the Southern 100 races in July.
The Department of Infrastructure says over the next two weeks, there'll be works at places like Ballakeighan Corner, Cross Four Ways and Castletown Corner.
There'll be temporary traffic lights and temporary speed limits, with some delays expected.
The DOI is asking people to allow extra travel time at rush hours.
Huge floating book fair to arrive in Douglas next month
Stay safe for Hop Tu Naa tonight
Special Olympics fundraiser needs you
Peel ready for bonfire and fireworks later
Government: "UK never told us about child murderer"
Farm shop's newest worker needs your name suggestions
Bus Vannin gives update on staffing problems and routes affected today
Toilets vandalised for fourth time in a month