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Restrictor plate races and road courses are the only races where NASCAR enforces track limits. At the high-speed superspeedways, track limits are marked by a double yellow line (white line at Atlanta Motor Speedway starting from 2022) separating the apron from the racing surface. Exceeding track limits to advance one's position is subject to a ...
Pit lane at Pocono Raceway In any racing series that permits scheduled pit stops, pit strategy becomes one of the most important features of the race; this is because a race car travelling at 100 miles per hour (160 kilometres per hour) will travel approximately 150 feet (45 metres) per second. During a ten-second pit stop, a car's competitors will gain approximately one-quarter-mile (450 ...
NASCAR vs F1. The Circuit of the Americas is the only track used by NASCAR and F1, but the two racing series have vastly different styles. F1 cars lap the 3.4-mile (5.5 kilometers) circuit, with its steep elevation changes and 20 turns, about 30 seconds faster than the stock cars. F1 also races with much stricter track limits than NASCAR.
An F1 car can be no more than 200 cm wide and 95 cm tall. [1] Though there is no maximum length, other rules set indirect limits on these dimensions, and nearly every aspect of the car carries size regulations; consequently the various cars tend to be very close to the same size.
Mercedes-Benz SLK safety car of the Deutsche Tourenwagen Masters at the Goodwood Festival of Speed. In motorsport, a safety car, or a pace car, is a car which limits the speed of competing cars or motorcycles on a racetrack in the case of a caution period such as an obstruction on the track or bad weather.
FIA Formula One: 15 Sepang International Circuit: 130,000 [10] Sepang Malaysia: FIA Formula One, FIM MotoGP: 16 Melbourne Grand Prix Circuit: 124,300 [11] Melbourne Australia: FIA Formula One, Supercars: 17 Circuit of the Americas: 120,000: Austin: United States: FIA Formula One, NASCAR Cup Series, FIM MotoGP, IndyCar: 18 Buddh International ...
Pit road safety has become a major focus of NASCAR officials in recent years since the 1990 Atlanta Journal 500, where the rear tire changer for Melling Racing was killed in a pit road crash. By April 1991, NASCAR implemented the current policy of pit road speed limits. The speed limit depends on the size of the track and the size of pit road.
For example, NASCAR requires that a driver run at or above 115 percent of the fastest lap time by any driver in the final practice. (This can be converted to an average speed-limit based on the length of the course, which for oval tracks will be close to the actual speed limit at any given time.)