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63-547: The Four Inch Course was a road-racing circuit first used for the 1908 Tourist Trophy Race for cars, held on public roads closed for racing by an Act of Tynwald (the parliament of the Isle of Man). The name of the course derives from the regulations for the 1908 Tourist Trophy adopted by the Royal Automobile Club , which limited the competitors' engines to a cylinder-diameter of four inches. The Four-Inch Course

126-565: A final which last 20 minutes or more, with a variety of point scoring calculations to determine the event's overall winner. Typical duration does not normally exceed 25 minutes. Here, speed and successful passing is of the most importance. It normally occurs in the format of qualifying, one to three heats and a final race for trophy positions. Sprint Racing in the United States and Canada are held at three primary levels, club racing (local races at purpose-built tracks), regional racing - like

189-474: A light and heavy category. Many people race worldwide in Spec series such as X30 125cc (a TaG class). As in other disciplines in motorsports, a license is required to drive a racing kart in competition. The licenses, issued by governing bodies, are provided by clubs or associations. Basic insurance coverage is usually included in the licence annual fee. In some countries, such as France , regulations require

252-508: A motorsport in itself, it is one of the sports regulated by FIA (under the name of CIK ), permitting licensed racing for anyone from the age of 8 onward. In the United States, there is not as much FIA involvement; instead, many organizations regulate racing, such as the IKF ( International Kart Federation ), WKA ( World Karting Association ), KART (Karters of America Racing Triad), USPKS (United States Pro Karting Series) SKUSA (SuperKartsUSA). In

315-412: A personal computer equipped with a data analysis software. More sophisticated systems allow for more information such as lateral and longitudinal acceleration ( g-force ), throttle position, steering wheel position and brake pressure. Kart racing is generally accepted as the most economical form of motorsport available on four wheels. As a free-time activity, it can be performed by almost anybody, and as

378-491: A stand full of spectators, killing 15 and himself. In 1970, Jochen Rindt won the Formula One drivers' championship posthumously, the only man to do so, underlining the continuing risks associated with road racing. The tragedies highlighted the need for improved safety standards for both drivers and spectators; safety would continue to be an issue throughout the 1960s and 1970s. When motorcycle racer Gilberto Parlotti

441-606: A stiffer chassis is preferable, while in wet or other poor traction conditions, a more flexible chassis may work better. Temperature of the track can also affect handling and may prompt additional chassis adjustments. The best chassis allow for stiffening bars at the rear, front and side to be added or removed according to race conditions. Braking is achieved by a disc brake mounted on the rear axle. Front disc brakes are used in most shifter kart classes and are increasingly popular in other classes; however, certain classes do not allow them. Shifter karts have dual master cylinders, one for

504-421: A transmission in the automotive power train or drive train. The transmission can: Karts do not have a differential . The lack of a differential means that one rear tire must slide while cornering. This is achieved by designing the chassis so that the inside rear tire lifts up slightly when the kart turns the corner. This allows the tire to lose some of its grip and slide or lift off the ground completely. Power

567-963: Is held annually and lasts 24 hours with multiple classes participating. This event is hosted by the Prokart SSS Club near Johannesburg. The most popular class runs the Honda GX390 four-stroke engine, which is both affordable and durable, keeping running costs to a minimum. The Prokart Super Single Series, also known as Prokart SSS, has been running for more than 20 years and has proven to be a very popular entry platform for drivers of all ages who want to get into karting. Many clubs worldwide have taken on four-stroke endurance karting for this reason, since two-stroke karting can be very expensive. Speedway racing takes place on asphalt or clay oval tracks which are normally between 1/10-mile and 1/4-mile long. Tracks primarily consist of two straights and four left-turn corners, few tracks are symmetric and often

630-507: Is no suspension , so chassis have to be flexible enough to work as a suspension and stiff enough not to break or give way on a turn. Kart chassis are classified in the United States as "Open", "Caged", "Straight" or "Offset". All Commission Internationale de Karting –, Fédération Internationale de l'Automobile –, or CIK-FIA-approved chassis are "Straight" and "Open". The stiffness of the chassis enables different handling characteristics for different circumstances. Typically, for dry conditions,

693-852: Is one example. They have become the norm as the top international classes have switched to 125 cc clutch-equipped engines as of January 2007. Wheels and tires are much smaller than those used on a normal car. Wheels are made of magnesium alloy, aluminum , or composite materials . Tires can support cornering forces in excess of 2 g (20 m/s²), depending on chassis, engine, and motor setup . Some car tire manufacturers, such as MG Bridgestone , Dunlop , and Maxxis make tires for karts. There are also specific kart tire manufacturers, which include MG, Vega, MOJO, LeCont, Cobra, Hoosier and Burris. Similarly to other motorsports, kart tires have different types for use appropriate to track conditions: As in other motor sports, several data acquisition systems have been developed for kart racing. These systems allow

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756-448: Is transmitted from the engine to the rear axle by a chain. Both engine and axle sprockets are removable. Their ratio must be adapted to the track configuration to obtain the most performance from the engine. In the early days, karts were direct drive, requiring push starts. The inconvenience of that configuration led to the centrifugal clutch for the club level classes. Dry centrifugal clutches are now used in many categories; Rotax Max

819-493: The 1920 Isle of Man TT races, changes were made to the Snaefell Mountain Course and competitors turned left at Cronk-ny-Mona following the primary A18 Bemahague Road to Governor's Bridge , then to a new start/finish line on Glencrutchery Road which lengthened the course from the pre- World War I length of 37.50 miles (60.35 km) to 37.75 miles (60.75 km). More changes to the course followed for

882-628: The 1923 Isle of Man TT races with the adoption of two small sections of private road between Parliament Square and May Hill in Ramsey. The Snaefell Mountain Course had previously negotiated the A2 Albert Road and Tower Road in Ramsey which differed from the original Four-Inch circuit which had incorporated these sections of private road and the new Mountain Course length increased to 37.739 miles (60.74 km). The official course distance for

945-1124: The California ProKart Challenge , the Texas Sprint Racing Series , the Florida-based Sunshine Karting Championship Series , Route 66 Sprint Series in the Midwest, and the F-Series Gearup Challenge in the Northeast. National level karting takes place across North America in dedicated national series like the SKUSA Pro Tour Archived 22 July 2024 at the Wayback Machine , the USPKS Championship Series , WKA Manufacturers Cup and

1008-844: The Circuit de la Sarthe circuit near the town of Le Mans , France , the Spa-Francorchamps Circuit in Belgium and the Mount Panorama Circuit in Australia. Certain European race circuits were situated in mountainous regions where the topography meant that the roads featured numerous curves and elevation changes, allowing the creation of sinuous and undulating race courses such as the Nürburgring in

1071-700: The Detroit Grand Prix , and the Honda Indy Toronto . The popularity of Formula One and motorcycle Grand Prix racing led to the formation of road racing world championships for other types of vehicles. In 1953, the FIA sanctioned a world championship for sports car racing which combined the Le Mans 24 Hours, the Mille Miglia, the 12 Hours of Sebring , the 24 Hours of Spa and the 1000km of

1134-637: The Eifel mountains of Germany and the Circuit de Charade in the Chaîne des Puys in the Massif Central of France. These circuits presented such a challenge that they were both feared and respected by racers. The 20.8 km (12.9 mi) long Nurburgring with more than 300 metres (1,000 feet) of elevation change from its lowest to highest points, was nicknamed "The Green Hell" by Jackie Stewart , due to its challenging nature. The sinuous track layout of

1197-773: The Indianapolis Motor Speedway , and the oval, banked speedways constructed in Europe at Monza in 1922 and at Montlhéry in 1924. Road racing on public roads was banned in Great Britain in 1925 when a spectator was injured at the Kop Hill Climb event. The Royal Automobile Club (R.A.C.) and the Auto-Cycle Union (A.C.U.) stopped issuing permits for races on public roads, a policy that has not changed to this day. Donington Park

1260-806: The Karting World Championship , SKUSA SuperNats and all SKUSA Pro Tour, USPKS and ROK Cup USA Nationals take place in this format. Sprint racing can be held at a dedicated purpose-built track (most of which also rent club karts for family fun), and sprint races are also held at kart tracks that exist at many major auto sports complexes like Daytona International Speedway , Charlotte Motor Speedway , Pittsburgh International Race Complex , NOLA Motorsports Park in New Orleans, Homestead-Miami Speedway , and Road America . Sprint races are also held at temporary kart circuits that can be built in parking areas at large stadiums and casinos throughout

1323-565: The Middle East , Sepang in Malaysia , and Shanghai in China . Kart racing Kart racing or karting is a motorsport discipline using open-wheel , four-wheeled vehicles known as go-karts or shifter karts. They are usually raced on scaled-down circuits , although some professional kart races are also held on full-size motorsport circuits. Karting is commonly perceived as

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1386-944: The North West 200 and the Ulster Grand Prix . In Formula One, street circuits have made a comeback with the Melbourne Grand Prix Circuit and the Baku City Circuit joining the Circuit de Monaco as part of the world championship. There are no street circuits being used in MotoGP racing. . In North America, racing on public streets takes place at the Grand Prix of Long Beach , the Firestone Grand Prix of St. Petersburg ,

1449-579: The ROK Cup USA . The SKUSA Pro Tour championship is one of the most coveted, and the SKUSA SuperNats event held in Las Vegas annually is one of the largest kart races in the world, attracting drivers from every continent. The SKUSA SuperNats event has been run continuously for 25 years, and a SuperNats win is considered a legendary win in karting circles. The FIA championships, including

1512-641: The Targa Florio (run on 93 miles (150 km) of Sicilian roads), the 75 miles (121 km) German Kaiserpreis circuit in the Taunus mountains, the 48 miles (77 km) French circuit at Dieppe, used for the 1907 Grand Prix and, the Isle of Man TT motorcycle road circuit first used in 1907. The exceptions were the steeply banked egg-shaped near oval circuit of Brooklands in England , completed in 1906,

1575-650: The A18 Mountain Road. The Four Inch Course was based on a number of public roads closed for the duration of racing, including: The Four Inch Course was adopted by the Auto-Cycle Club for the 1911 Isle of Man TT Races and the start-line was moved to a level section of the Quarterbridge Road between Selborne Drive and the 1st Milestone/Alexander Drive, becoming known as the Snaefell Mountain Course when used for motorcycle racing. From

1638-681: The Charade circuit caused some drivers like Jochen Rindt in the 1969 French Grand Prix to complain of motion sickness , and wear open face helmets just in case. In 1949 the FIM introduced the Grand Prix motorcycle racing world championship with the 1949 Isle of Man TT being the inaugural event. With the exception of the Monza circuit, all the Grand Prix races were held on street circuits . The Association Internationale des Automobiles Clubs Reconnus

1701-518: The FIM. Another motorcycle racing incident occurred at Monza during the 1973 Italian motorcycle Grand Prix when a racing accident claimed the lives of world champion Jarno Saarinen and Renzo Pasolini . After the von Trips accident in 1961, the Monza Circuit had been lined with steel barriers as a result of demands by automobile racers. Most auto racers believed steel barriers would improve safety for auto racers and spectators, but they had

1764-627: The Indianapolis Motor Speedway and the Milwaukee Mile track, or on dirt tracks using widely available horse racing circuits. Automobile dirt track racing would develop into stock car racing . American racing also branched out into drag racing . Road racing traditions in Europe, South America, Great Britain and the British Commonwealth nations grew around races held on paved, public roads such as

1827-517: The Isle of Man TT, lost their world championship status due to their considerable safety risk, their popularity continued to flourish leading to a branch of road racing known as Traditional Road Racing . Traditional road racing on closed public roads is popular in the United Kingdom, New Zealand and parts of Europe. The Duke Road Racing Rankings was established in 2002 to establish rider classifications in traditional road racing events such as

1890-581: The MSA. Billed as the UK's first national karting league , the Elite Karting League also falls outside of MSA governance. In Australia, kart racing is administered by one of the following Karting bodies: Racing classes start at age 7 or 8 (5 in the United States with "Kid Karts") and generally run in 3-year age groupings or weight divisions until "senior" status is reached at age 15 or 16, depending on

1953-715: The Nurburgring . NASCAR held its first road race in 1957 at the Watkins Glen International circuit with Buddy Baker as the winner. The FIA launched the European Touring Car Championship in 1963. The FIA created the International Karting Commission (CIK) in 1962 and, in 1964, the first CIK Karting World Championship was won by Guido Sala . Karting has become a significant step in

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2016-471: The Snaefell Mountain Course was amended for the 1938 Isle of Man TTraces to 37.73 miles (60.72 km) which is the current Snaefell Mountain Course length. 54°10′18″N 4°29′31″W  /  54.17167°N 4.49194°W  / 54.17167; -4.49194 Road racing Road racing's origins were centered in Western Europe and Great Britain as motor vehicles became more common in

2079-483: The UK, the Motor Sports Association (MSA) regulates most "owner driver" Karting. Some associations, such as NatSKA (National Schools Karting Association), organize race meetings throughout the country under the authority of the MSA. Various four-stroke "hire kart" series such as EPEC (European Prokart Endurance Championship) or BRKC (British Rental Kart Championship) fall outside the governance of

2142-489: The UK, the most celebrated karting series is the National karting series, also known as Super One . There are three types of Super One championships: Other UK National Championships include: Birel BirelART series UK: Cadet 60cc, Junior 100cc, Senior Light 125cc, Senior Heavy 125cc, British Indoor Karting Championship (BIKC) The BRKC is the UK's rental karting National championship, and the UK's official feeder series to

2205-618: The United States was a 54-mile competition from Chicago to Evanston , Illinois and return, held on November 27, 1895. By 1905, the Gordon Bennett Cup , organized by the Automobile Club de France , was considered the most important race in the world. In 1904, the Association Internationale des Automobiles Clubs Reconnus was formed by several European automobile clubs. In 1904 the FIM created

2268-749: The United States. Additionally, there are street races where races take place on city streets on temporary circuits like some of the IndyCar races. Endurance races last for an extended period, ranging from 30 minutes up to 24 hours or more, for one or more drivers. In general, consistency, reliability, and pit strategy is of greater importance than all out speed. Called "enduro" racing in the United States, most WKA and IKF sanctioned events typically last 30 minutes (sprint enduro) or 45 minutes (laydown enduro) and are run continuously without pit stops. Enduro events are held on full-size road racing circuits that are usually between 1.5 and 4 miles in length. As well as

2331-498: The country and drew large crowds of spectators. The first 24 Hours of Le Mans endurance race was held in 1923. The Automobile Racing Club of America was founded in 1933 and became the Sports Car Club of America in 1944. The great majority of road races were run over a lengthy circuit of closed public roads, not purpose-built racing circuits. This was true of the Le Mans circuit of the 1906 French Grand Prix, as well as

2394-611: The development of road racers including Formula One world champion Lewis Hamilton . The European Truck Racing Championship was founded in 1985. A Superbike World Championship for road-going production motorcycles was created in 1988 . As road racing grew in popularity it eventually expanded across the globe with Grand Prix road races having been held on six continents. Expansion of the Formula One and MotoGP series has resulted in many dedicated tracks being built, like in Qatar in

2457-520: The driver of the race car, 83 spectators were killed and 120 were injured. Auto racing was temporarily banned in several countries after the Le Mans disaster until safety was improved for spectators. Switzerland would not allow circuit racing until the Zürich ePrix in 2018. The Formula One championship experienced its worst tragedy during the 1961 Italian Grand Prix at Monza, when driver Wolfgang von Trips lost control of his Ferrari and crashed into

2520-411: The driver to monitor from a display fixed on the steering wheel some parameters such as RPM, timing of laps (including sectors), number of laps, best lap, cooling system temperature, exhaust gas temperature and sometimes speed or even gear for shifter karts. Some of those systems are able to record (logging) laps data from the sensors, allowing replay of an entire running session or/and direct download to

2583-575: The early 20th century. After the Second World War, automobile road races were organized into a series called the Formula One world championship sanctioned by the Fédération Internationale de l'Automobile (FIA), while motorcycle road races were organized into the Grand Prix motorcycle racing series and sanctioned by the Fédération Internationale de Motocyclisme (FIM). The success and popularity of road racing has seen

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2646-488: The famous 24 Hours of Le Mans race for automobiles there is also a 24-hours event for karts which takes place at the kart circuit Alain Prost at Le Mans , France. This race has taken place since 1986 and its winners list include four-time Champ Car champion Sébastien Bourdais (in 1996). Endurance racing is also considered a more affordable way of getting into karting. In South Africa, the 24 Hours of Karting Festival race

2709-524: The fastest growing in the United States is Lo206. The general classes are 125cc Shifter, 100cc tag, 125cc tag and then the X30 equivalents of these karts. The CIK-FIA sanctions international championships in OK , OKJ , KZ1 , KZ2 and Superkart . These are regarded as the top-level classes of karting and are also raced in national championships worldwide. The World Championship is decided here. In May 2019 it held

2772-745: The front and one for the rear, and are adjustable to allow for front/rear bias changes. Professionally raced karts typically weigh 165 to 175 lb (75 to 79 kg), complete without driver. Avanti , Tony Kart, Trulli , Birel , CRG , Gillard , Intrepid , Remo Racing , Kosmic, Zanardi or FA Kart and EKS are a few well-known examples of the many European manufacturers of race-quality chassis. Emmick, Coyote, Bandit, Shadow, MGM, Titan, PRC and Margay are American companies producing kart chassis. Racing karts mostly use small two-stroke or four-stroke engines; however, as of 2022, there has been small-scale adoption of electric motors in racing karts. Purpose of transmission: There are three reasons for having

2835-593: The general public may be limited to lower speeds. American Art Ingels is generally accepted to be the father of karting. A veteran hot rodder and a race car builder at Kurtis Kraft , he built the first kart in Southern California in 1956. Early karting events were held in the Rose Bowl Stadium car park. Instantly popular, Karting rapidly spread to other countries, and currently has a large following in Europe. The first kart manufacturer

2898-609: The international cup for motorcycles. The first international motorcycle road race took place in 1905 at Dourdan , France. After disagreeing with Bennett Cup organizers over regulations limiting the number of entrants, the French automobile manufacturers responded in 1906 by organizing the first French Grand Prix race held at Le Mans. During the 1910s, the Elgin National Road Races held on public roads around Elgin, Illinois attracted competitors from around

2961-404: The international under-15 championship. The driver who finished first overall was Vlad Sputzki (Russia) followed by Daniel Smith (England) and then followed by Maximilien Blank (Australia) CIK-FIA categories: Non CIK-FIA categories: The Kart World Championship (or KWC) as opposed to the FIA's "Karting World Championship" uses 4-stroke rental karts and travels to a different country each year. In

3024-418: The late 1950s sparked to a renewal of interest in road racing in the United States and, led to the construction of new road racing circuits such as Riverside International Raceway , Road America and Laguna Seca . The 1964 United States motorcycle Grand Prix was held at the Daytona International Speedway and led to increased international prominence for the Daytona 200 road race which peaked in 1974 with

3087-583: The number of safety personnel required. These changes saw a dramatic decrease in deaths and accidents. By the 1980s, motorcycle Grand Prix and the Formula One races were held on purpose built race circuits with the exception of the Monaco Grand Prix held on the city streets of Monaco. Street circuits such as the Montjuïc circuit and the Opatija Circuit with their numerous unmovable roadside obstacles, such as trees, stone walls, lampposts and buildings, were gradually removed from world championship competition. Although events held on closed public roads such as

3150-435: The opposite effect for motorcyclists and proved fatal for Saarinen and Pasolini. The dangers of street circuits was further exposed at the 1975 Spanish Grand Prix held on the twisty, tree-lined Montjuich circuit in Barcelona. The racing drivers found that the circuit's safety barriers had been shoddily installed and threatened to strike if the barriers were not brought up to standard. Under pressure from race organizers,

3213-651: The race was started only to be stopped after 29 laps when the car of Rolf Stommelen plowed into the crowd, killing four spectators. By the late 1970s, the popularity of Grand Prix road racing attracted corporate sponsors and lucrative television contracts which, led to an increased level of professionalism. Road racers organized to demand that stricter safety regulations be adopted by sanctioning bodies in relation to race track safety and race organizers requirements. Race circuits that had originally been public roads were widened and modified to include chicanes and run-off areas while, some circuits were shortened to reduce

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3276-642: The rental Kart World Championship. NatSKA is a budget karting association set up for schools and youth groups in the UK, with 13 classes. In the United States, Dirt oval classes (which often use Briggs & Stratton industrial engines) are prominent in the Southeast and Midwest. In the West, European style sprint racing is much more common. In particular, 125cc shifter karts using Honda CR125 power units have gained tremendous popularity in recent years. In Australia, classes include Cadet (previously called Midget),Junior KA4, Junior KA3, X30, KZ2, Senior KA3, Senior TAG (Restricted and Unrestricted). Most classes run

3339-424: The series. Typically, race formats are one of the following: Sprint racing takes place on dedicated kart circuits resembling small road courses, with left and right turns, hairpins, chicanes, and short and long straightaways. Tracks range from 1/4-mile (400 metres) to over 1 mile (1,600 metres) in length. The sprint format is a series of short-duration races, normally for a small number of laps, that qualify for

3402-540: The shape parallels that of an egg or a tri-oval . "Offset" kart chassis have been developed for precise handling and adjustability in left-turn-only racing competition taking place on oval and tri-oval tracks. Depending on the track material, different tires are used on the kart. Speedway kart races range in length from 4 laps for a trophy dash, to 20 laps for a main event. The two chief racing formats used in dirt speedway karting are heat races and timed laps qualification: There are many different classes in kart. One of

3465-415: The sport spread across the globe with Grand Prix road races having been held on six continents. Other variations of road racing include; open-wheel racing , sports car racing , touring car racing , stock car racing , superbike racing , truck racing , kart racing and endurance racing . The first organized automobile race was held on July 22, 1894, from Paris to Rouen , France. The first held in

3528-456: The stepping stone to the higher ranks of motorsports, with most Formula One drivers—including Ayrton Senna , Michael Schumacher , Fernando Alonso , Kimi Räikkönen , Lewis Hamilton , Sebastian Vettel , Nico Rosberg , and Max Verstappen —having begun their careers in karting. Karts vary widely in speed, and some (known as superkarts ) can reach speeds exceeding 160 kilometres per hour (100 mph), while recreational go-karts intended for

3591-422: The victory by 15-time world champion Giacomo Agostini . The dangers associated with the increasing speeds at road races were highlighted by the 1955 Le Mans disaster . With spectators seated near the edges of the circuit, two race cars came into contact causing one of the vehicles to crash into the embankment, where it exploded in a ball of flames and then plowed through the crowd of spectators. In addition to

3654-445: The years. Notable exceptions are the Mille Miglia which was allowed to continue until 1957 and, the Pau Grand Prix which has been held on the city streets of Pau, France since 1933. After the First World War, automobile and motorcycle road racing competitions in Europe and in North America went in different directions. Automobile and motorcycle racing in the United States was typically oval track racing on paved tracks such as

3717-466: Was adopted by the Auto-Cycle Club for the 1911 Isle of Man TT Races. The Four-Inch Course was subsequently known as the Snaefell Mountain Course or Mountain Course when used for motor-cycle racing. The new course length was 37.5 miles, based on the 'Short' Highroads Course with the omission of the Sandygate Loop and the Peel Loop . The start-line was moved from the road junction of the A2 Quarterbridge Road/Alexander Drive to Hillberry Corner on

3780-450: Was an American company, Go Kart Manufacturing Co. (1957). In 1959, McCulloch was the first company to produce engines for karts. Its first engine, the McCulloch MC-10, was an adapted chainsaw two-stroke engine . Later, in the 1960s, motorcycle engines were also adapted for kart use, before dedicated manufacturers, especially in Italy ( IAME ), started to build engines for the sport. The chassis are made of chromoly tubing. There

3843-430: Was killed while competing in the 1972 Isle of Man TT , it sparked a rider's boycott of the event led by multi-time world champion, Giacomo Agostini , a close friend of Parlotti. Once the most prestigious race of the year, the event was increasingly boycotted by the top riders, and in 1976, the Isle of Man TT finally succumbed to pressure for increased safety in racing events and had its world championship status revoked by

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3906-407: Was renamed the Fédération Internationale de l’Automobile in 1946 and, plans were developed for a road racing world championship. In 1950 , the FIA created the Formula One world championship, a competition of seven rounds that included the Indianapolis 500. A Formula I manufacturers' championship was begun in 1955. The success of American racers such as Phil Hill and Dan Gurney in Formula One in

3969-402: Was the first permanent park circuit in the United Kingdom and held its first motorcycle race in 1931. As automobile and motorcycle technology improved, racers began to achieve higher speeds that caused an increasing number of accidents on roads not designed for motorized vehicles. Public safety concerns ultimately caused the number of road racing events on public roads in Europe to decrease over

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