A 'chicane' (originally meaning
subterfuge) is a sequence of tight serpentine curves (usually an S-shape curve or a bus stop) in a roadway, used in
motor racing and on city streets to
slow cars. On modern raceways, chicanes are usually located after long straightaways, making them a prime location for overtaking.
Some tracks, such as
Portland International Raceway, feature optional chicanes. Faster cars will race with the chicane, but slower cars (such as amateur club racers) may avoid the chicane since the cars are not capable of developing excessive speed in the lengthened straightaway. Such chicanes are used at
Watkins Glen International and
Daytona International Speedway, where there is a car chicane and motorcycle chicane.
The term is used in other types of racing, including
bobsleigh, to indicate a similar shift in the course or track.
"Mobile chicane" and "moving chicane" are terms describing a driver (usually a backmarker) who does not move out of the way of the front-runners quickly enough when about to be lapped (despite repeated showing of
blue flag) and who thus creates problems (and sometimes costs valuable championship points, podiums and victories) for the driver behind. This same term, applied to traffic calming, can refer to the usage of portable devices to create a chicane configuration.
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