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In other racing vernacular, the term "tri-oval" is also used to specifically describe the part of the track which represents the top triangular point of the course, which is used as the main stretch, the pit straight and usually the start–finish line. It is recognizable in most tracks by a manicured
94:) offered only limited linear views of the course, and required fans to look back and forth much like a tennis match. The tri-oval shape prevents fans from having to "lean" to see oncoming cars, and creates more forward sight lines.
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during the planning for
Daytona. The triangular layout allowed fans in the grandstands an angular perspective of the cars coming towards and moving away from their vantage point. Traditional ovals (such as
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reaches a local minimum or maximum. In a tri-oval, there are six such points, alternating between three minima and three maxima.
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While an oval has four turns, a tri-oval has six. More formally, according to the
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is a shape which derives its name from the two other shapes it most resembles, a
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because of their (nearly) identical shape and identical kind of races.
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This term is most often used to describe the shape of many automobile
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The use of the tri-oval shape for automobile racing was conceived by
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101:The modern tri-ovals were often called
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16:Shape, descriptor of racetracks
182:Daytona International Speedway
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142:Walt Disney World Speedway
126:Trióvalo Bernardo Obregón
221:Las Vegas Motor Speedway
225:Nashville Superspeedway
186:Talladega Superspeedway
72:Talladega Superspeedway
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313:"NASCAR Glossary T-Z"
138:Sanair Super Speedway
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209:Chicagoland Speedway
130:EuroSpeedway Lausitz
70:Aerial view of the
54:, points where its
48:simple closed curve
44:four-vertex theorem
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50:has at least four
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292:Reuleaux triangle
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217:Kentucky Speedway
62:Use in racetracks
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344:Geometric shapes
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122:rounded triangle
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23:A tri-oval shape
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229:Phakisa Freeway
213:Kansas Speedway
87:Bill France Sr.
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320:. Retrieved
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178:Daytona type
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98:grass area.
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92:Indianapolis
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322:6 December
299:References
280:Bean curve
80:racetracks
286:n-ellipse
74:tri-oval.
56:curvature
338:Category
274:See also
114:Examples
52:vertices
33:triangle
29:tri-oval
35:and an
317:NASCAR
117:Maps
324:2009
111:Type
37:oval
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27:A
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