Racing game question

[digitaltoon]

I am designing a racing gam that requires two items that concern me as a newbie to Unity.

1-Driving along a curve

2-Driving across(Jumping) a crevasse…

Any ideas on either both or all?

Thanks!

[Illogical-Ironic]

http://unity3d.com/support/resources/tutorials/car-tutorial.html

This should be what you are looking for c: