I don't know if you are still allowed to do this or not, but you could in the past. If you ride your bike down the Chausee (residential neighborhood), there used to be a very small bike rack by the toll booths, way out there. It was mainly for the employees who lived on the Chausee and worked at CP. When I worked Tolls (last millennium), an occassional bicyclist would park and lock the bike there. We did not charge toll for that, since technically the vehicle didn't enter CP property. So if you want to treat yourself to a long bike ride and a looong walk to the front gate and save yourself $7 (!!??), go for it!
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Make sure your video batteries are charged and you have a fresh tape in the video camera, premarked "CP 2001 - Tape #1 of ??"...Opening Day tip from Carousel Man