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What is Auto-X?

Autocross is a form of motorsports that emphasizes safe, low-cost competition and active participation. An autocross is a timed competition where drivers navigate one at a time through a temporary course marked by traffic cones, rather than racing on a track with multiple other cars, as in road racing or oval racing. Autocross tends to place more emphasis on car handling and driver skill than on sheer horsepower, and events typically have many classes which allow almost any vehicle, from economy sedans to purpose-built vehicles, to compete. Speeds are slower in absolute terms when compared to other forms of motorsports, usually not exceeding highway speeds, but the activity level (measured in discrete turns per minute) can be higher than even Formula One due to the large number of elements packed into each course. Autocross courses are typically 40 to 70 seconds in length. In addition to being a national-level motorsport in its own right, autocrossing is a good way to learn skills that transfer to road racing, as drivers learn vehicle control and club ethics.

Autocross events are usually held in large paved areas like parking lots or airfields. Typically, new courses are created for each event so drivers must learn a new course each time they compete. Prior to driving, a competitor will walk the course, taking mental notes, and developing a strategy to be refined upon subsequent runs. National organizations such as the Sports Car Club of America (SCCA) and National Auto Sport Association (NASA) sponsor autocross events throughout the United States, and many areas have independent autocross clubs. Automobile manufacturers and their associated clubs (e.g. the BMW Car Club of America) sometimes hold marque autocross events.

What is a Car Show?

An auto show, or motorshow, is a public exhibition of current automobile models, debuts, concept cars, or out-of-production classics. It is commonly attended by automobile manufacturers. Most auto shows occur once or twice a year. They are vital to car manufacturers and local dealers as a public relations exercise, for advertising products, and for increasing publicity.

There are other auto/car shows that occur on a more frequent basis, like weekly. It's not known if there is a regularly accepted term for these more frequent, informal "car rallies" or "car enthusiasts events". Some meeting events have themes, such as classic cars, hot rods, etc. In any case, these car gathering events are more localized, typically consisting of car enthusiasts who meet to socialize and enjoy their enthusiasm with other car owners.

The Organisation Internationale des Constructeurs d'Automobiles organises many auto shows.

They are distinguishable from car shows in that auto shows typically showcase new or concept vehicles whereas car shows showcase custom, classic, or exotic cars. They also distinguish in that auto shows are almost always a major professional event whereas car shows can be either professional or amateur and many are locally organised.

What is Road Racing?

Road racing can be of two types: in the first, car or motorcycle races are run on specially built, closed circuit courses; in the second, public roads are temporarily closed off for the purpose of conducting a race. Notable examples of this include the Monaco Grand Prix which is conducted on the city streets of the small principality, the Mille Miglia, the Targa Florio, and the Isle of Man. The Tourist Trophy, probably the most famous motorcycle race of its type, takes place over the Snaefell Mountain Course, as well as the North West 200 in Ireland. Also the Ulster Grand Prix and at a dozen pure "closed road" circuits unique to Ireland.[(MCUI)]

A small portion of these automobile race tracks are called temporary street courses.

Of the former, closed circuit type, purpose-built race tracks are used that, due to their irregular shapes and many turns and curves, resemble true road courses. Due to safety and insurance concerns, this style of racing has largely supplanted true road racing, particularly in Europe. Road racing is also occasionally conducted using the infield and oval portions of tracks making a "roval", such as the 24 Hours of Daytona. Road racing has become a featured part of many racing video games.

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