An unusual high speed test was conducted on the Loop Track under the conditions of small radius, big superelevation and large deficiency of superelevation.

环行道的高速试验是在小半径，大超高，大欠超高下进行的，有着其特殊意义。

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This paper discusses the design method for high speed loop test road in terms of selection of geometric alignment and parameters of elliptical high speed test road.

本文从几何线型选择及椭圆形高速环道主要参数控制几个方面论述了高速环形试验路的设计方法。

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