A motorsports facility boasting of being "America's Home for Racing," Charlotte Motor Speedway is a World-Class raceway complex hosting top-notch events regularly, like NASCAR Coca-Cola 600, NASCAR Bank of America Roval 400, and many other competitions attracting over 1 million spectators annually. The speedway was built in 1959 by NASCAR Hall-of- Famer Bruton Smith in Charlotte, North Carolina. In its present configuration, the motorsport complex consists of a quad-oval racetrack, an infield flat oval road course, a quarter-mile drag strip, and a clay oval for dirt racing competitions. Charlotte's moderate weather year-round allows having 100+ events annually in the speedway, with an average of 105 rainy days a year in four distinct seasons.
The main NASCAR 1.5-mile quad-oval track is banked in all its trajectory and forms the perimeter of the complex, with the grandstands right beside it. The banking in its turns is 24 degrees and in the straightaway is five degrees. Inside the quad-oval track, there's also a quarter-mile flat oval that combines with the outer raceway to form the Roval, Charlotte Motor Speedway's road course. The Roval is a 2.42-miler racetrack run counterclockwise traversing the banked quad-oval almost entirely, which deviates into the inner flat oval, creating a challenging trajectory where drivers should keep an eye in their rear-view mirror to try to keep competitors at bay.
Racing the Roval with no chicanes is the fastest combined layout possible in Charlotte Motor Speedway, as it leverages a longer time in the quad-oval speedway before re-entering the inner road course. When facing Turn 1, a sudden decrease in speed from 150 mph to 60 mph is the only way to avoid hitting the tire barriers. Drivers tend to be cautious about that fact, and surprisingly, the average speed is 92 mph, more or less the same as the Roval with chicanes.
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