Quote:
Originally Posted by Aylmer
You're right and there are. However, it's just a bit more complicated in Montreal's case because of its proprietary trains and signalling. Whereas most cities can go for off-the-shelf solutions, Montreal would have to invent its own at a much greater cost.
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The metro is already automated... just that the conductor needs to press a button to close doors. Interlining is good with low frequency trains (like the REM), but with a metro, stations can get full quick because people need to wait for THEIR train. If a transfer is easy and frequencies run high, independant lines are more operationnally efficient.