The "Cars" movie Web site has added new wrinkles, including a "Visit Radiator Springs" page that Route 66 roadies should enjoy.
There's a Road Journal in which you can read of other readers' favorite road trips and write your own. There's also a Snapshot Gallery in which you can submit your favorite vacation photos and look at others' (as of this writing, none had been posted).
Sprinkled throughout the Radiator Springs page are postcards from Flo, owner of Flo's V-8 Cafe, and Ramone of Ramone's Body Art. There's also a sweepstakes in which you can win a new iPod.
There also is a link to downloads of road-trip games and activities, although all of them aren't up yet.