englanddg
One Little Spark...
That part I think I knew, but that just makes my question more confusing. If Tractor and Trailer A leave the loading dock at the same time as Tractor and Trailer Bwho will get to Chicago first...no, sorry I digressed for a moment there. If I have that part correct, why is it that I only see one CM (driver) in the very first vehicle and no driver in the second one. Or am I just missing that part? Is there a second driver? If A had it's own driver and B had its own Driver AND they A & B get to the Indy scene at different times, then I understand how they set it up. But, and believe me I am quite suspicious of my memory on this, I thought the two section arrived at the same time and only one Indy show happened per ride. If what everyone is trying to say is that they are separate, with separate drivers how do we all get together at the end and seem to only have one driver? I suspect that those two entities remain separate until we get to the montage area where they show the old movies in the big room but it does seem like we all are together at "The Wizard of Oz" part.
Is this perhaps Disney's best kept secret and no floor plans exist for the ride that we curious people can look at and figure out how it all works. They have them for others, why not GMR?
Floorplan, courtesy of @marni1971
http://forums.wdwmagic.com/threads/great-movie-ride-layout.166853/#post-2175144
Another one from @animay , @unkadug , @Rob562
http://forums.wdwmagic.com/threads/great-movie-ride-layout.166853/#post-2175003
Also, I think you are confusing the tractor-trailer units. Each one will have a driver if they are running both of them at the same time. The thing is, the ride doesn't have the volume that it used to, so you may easily be thinking of when they only had one ride vehicle going.
Indy is done separately for each vehicle. The two vehicles don't meet again until the finale movie.