SimCar laps on Stunts tracks

[Matei]

Actually the kerbs in Stunts are holographic road indicators.

https://www.thesignchef.com/blog/holographic-traffic-signs

Whoever gets outside of the road should be disqualified and indeed Stunts shows very advanced technology, including cars with electronic damping so that they don't bounce after landing from a jump.

https://cartriple.com/bmw-electronic-damper-control-edc/