How to make cars move in the paviment like GTA V?

[DrFrankNortonCMV]

How to make cars move in the paviment like GTA V? I made a proyect ussing the template "City Demo", but I see the cars doesnt move in the road, instead of that, there are 3 types of cars moving in the sky, so... how to make the cars move in the road in the "City Demo" package?

[IvanEfimov]

Right now, only characters can move by paths. Need to add a car AI.