Newman/Haas Racing Codes -

Bonus tracks and challenges:
Hold L1 + R1 for approximately one second at the main menu. Then, press Left, Right(7), Left(15). The sound of a crash will confirm correct code entry. All challenges and four bonus tracks will be unlocked.

Race with double decker buses:
Hold L1 + R1 for approximately one second at the main menu. Then, press Left(3), Right(15), Left(3), Right(11), Left(14), Right(5), Left(25). The sound of a crash will confirm correct code entry.

Bonus tracks:
Win the championship as Scott Pruett to unlock two additional tracks.