Noun
skidpad (plural skidpads)
A large, circular area of flat pavement used for various tests of a car's handling.
The Durango SRT laps our figure eight in 25.5 seconds at 0.75 g average, and it averaged 0.89 g on the skidpad. Source: Internet
The our figure-eight in 24.3 seconds at a 0.81 g lateral average and pulled 0.97 g around the skidpad. Source: Internet