On the LA Freeway level, there's a freeway sign near the beginning of the level which Indicates Interstate 10 South Los Angeles. In reality, interstate 10 uses the directions east and west and not north and south.
There are no toll booths in Iowa.
The St. Louis Arch is shown in the course Iowa, which is out of place for an iconic landmark. The course according to the map travels through I-80 East where the next course following it via the "Cruise the USA" tour is Chicago.