The evolution of Walt Disney World is such that it is not necessary to do business at the Ticket and Transportation Center except that to park "at Magic Kingdom" you must go there.
All questions about transportation can be answered at theme park guest relations counters or over the phone. Tickets can be purchased at all parks.
It is possible that at one time the TTC was envisioned as a central parking area for all theme parks. Actually Epcot's parking lot is now occasionally used as an overflow for MK guests. One plan called for a second TTC with a monorail terminal near Disney MGM Studios, buses still being used to get to individual resorts and MGM and Animal Kingdom.
Disney hints:
http://members.aol.com/ajaynejr/disney.htm
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9/65
Disneyland
3/75 World Inn (now Doubletree Club)
4/85 Kon-Tiki (now Econolodge Hawaiian)
'80s Disneyland once or twice
7/94 Dixie Landings (now Port Orleans Riverside)
9/97 All Star Music
11/98 ASMu & first premium annual pass
12/98 Knights Inn on 192
9/99 All Star Movies
12/00 All Star Sports & PAP#2
9/01 ASSp
11/01 ASSp
1/03 Motel 6 & ASSp & PAP#3
11/03 ASMu
8/04 Coronado Springs & PAP#4
8/04 again Motel 6 and Pop Century
1/05 Pop Century</small>
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<small>Does the billowing of a cloth cover let alone the act of stretching it over the car buff away at the finish faster than not covering the car and letting the sun beat down on the finish?</small>