Jamwest speedway, as part of the Jamwest Motorsports & Adventure Park, Little London, Westmoreland Parish in Jamaica West Indies, and is the largest and one of the most established drag and circuit racing facilities in the Caribbean. The circuit is 2.2 miles, with 3 different configurations with 1.5 mile straight away doubling as a drag race strip.
I'd aslo recommend deleting any initial payloads files
in the AI folder as they will be recreated upon restart of CM and your next AC session.