Installed around the high-speed oval track, the circumference road simulates a suburban asphalt road for testing ordinary running performance. Equipped with rows of lights for testing at night.

• Asphalt pavement
• Circumference 5,722m; Width 7m
• Cross slope
  Straight seg. 2%, two ways; Curve seg. 2~3% banking
• Longitudinal slope: Maximum 5.9%
• Minimum radius of curve: 60m
• Designed load on wheel: 5 tons