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Road America is a permanent road course. It is located midway between the cities of Milwaukee and Green Bay, and classified as an FIA Grade Two circuit. [3] The track is situated on 640 acres (260 ha) near the Kettle Moraine Scenic Drive. It has hosted races since September 1955 and currently hosts over 400 events a year. [4]
Track gauge. The vast majority of North American railroads are standard gauge (4 ft 8⁄ in / 1,435 mm). Exceptions include some streetcar, subway and rapid transit systems, mining and tunneling operations, and some narrow-gauge lines particularly in the west, e.g. the isolated White Pass and Yukon Route system, and the former Newfoundland Railway.
Track gauge. Originally, various track gauges were used in the United States. Some railways, primarily in the northeast, used standard gauge of 4 ft 8⁄ in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft (1,524 mm), while ...
A standard-gauge railway is a railway with a track gauge of 1,435 mm (4 ft 81⁄2 in). The standard gauge is also called Stephenson gauge (after George Stephenson), international gauge, UIC gauge, uniform gauge, normal gauge in Europe, [1][2][3][4][5] and SGR in East Africa. It is the most widely used track gauge around the world, with about 55 ...
Some amount of tolerance is necessarily allowed from the nominal gauge to allow for wear, etc.; this tolerance is typically greater for track limited to slower speeds, and tighter for track where higher speeds are expected (as an example, in the US the gauge is allowed to vary between 4 ft 8 in (1,420 mm) to 4 ft 10 in (1,470 mm) for track ...
The Trans Am SpeedTour at Road America will feature an impressive lineup of iconic American cars — Mustangs, Camaros, Challengers and Corvettes — thundering around the track in 100-mile races ...
The track spacing is the distance between the track centres of double-track railway lines. There are standard distances derived from the standard loading gauge in a country. For high-speed trains and in tighter curves that distance needs to be increased. The track spacing is also called the centre-to-centre spacing to differentiate it from the ...
Road America † Road course Clockwise Elkhart Lake, Wisconsin: 4.048 mi (6.515 km) Elkhart Lake Grand Prix: KOHLER Grand Prix (2016-2018), Rev Group Grand Prix at Road America (2019–2021), Sonsio Grand Prix at Road America (since 2023) 2016–2024: 9 (2 in 2020) St. Petersburg street circuit † Street circuit Clockwise St. Petersburg, Florida