This is true of all tracked Mass Transit. IF Disney were to add a new line the latest features in a Bombardier Monorail besides being automated (less labor) feature a front automatic coupler, enabling one train to pull another. Another feature in the latest Bombardier Monorails are crossover switches as seen in Las Vegas to move between tracks.
Picture showing the new coupler design on a Bombardier INNOVIA 300:
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Las Vegas Crossover Switch:
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Here is the interior - a walk thru design:
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Oh and I almost forgot, Sao Paulo, Brazil is building two monorail lines, both under construction - NOW.
I really don't like the physical restrains of the monorail switch and the track itself. Peoplemover and PRT are free from such physical restraints, as their tracks are simply a paved sidewalk-sized guideway and no physical switch. Stations are off-line, allowing cars that are not stopping there to continue on its route without waiting for the cars in front to unload.
You should check out the only PRT system built in the US at Morgantown, WV. Look it up in Wikipedia and Google it. Also, they are building an underground PRT system in a new development in Abu Dabi that reminds me very much of Walt's original concept for EPCOT.