In the city, there will be always a speed limit and you can expect that there will be some traffic police on your tails. But, that is not the case when you are at a town, where there will be no traffic constable that will be go after you. There are laws against fast cars, but the problems will be not enough authority.
This game will be about speed limit. The idea of the game is to go all out. You need to be fast as you need to cover more grounds to earn more money. You can earn money based on the distance that you traveled. The money can be use to buy some upgrades for your car.