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.
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