UNCONFIRMED TRACKS

This is some of the tracks that have had info leaked about them, or are highly suspected to feature in the game by the Forza 3 community.

Donnington park
Mentioned in PUMA article, but it was quickly removed. che said it was a PR mess up, so it may be in the game

Monaco
Was mentioned in the PPR, but was hurriedly taken down. it may be a future reveal, or it may not be in the game

Infineon Raceway
Location of prize for the audi design contest (driving an audi round there). Found in this article

Rio De Janiero
Thought to be found at the begining of the E3 community at play video, where the audi is driving through the tunnel.