Race around the city streets in your hotrod and drop the stolen money off at key check points (money bags). After the money has been stowed away safely, get to your hideaway before the cops catch you.
Take your semi-truck to the indicated spot and park it there. Watch out for the heavy trafficked road full of mad drivers whom won't let you cross the street easily.
Weave through traffic to escape the police. The more distance you get the higher your score will be. In addition, you can multiply your score by how many cars you shunt.
Build your reputation as a gangster by doing jobs for the various criminal gangs in the city, hijack a car, demolish the building, attack the office, and many more.