National Motorsports Challenge

The Autobahn Country Club South Circuit is a 2.09-mile long road course located in Joliet, Illinois. It is designed for racing clockwise and has 15 turns with nine right-handers and six left-handers. The circuit is independent and can operate simultaneously with the North Circuit. Its average speed is 79 mph, the highest of all possible configurations in the club, and its average lap time is 1:35.6. The track is 40-feet wide, and its longest straightaway is 1850 feet long.

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