The New York Times - N.Y/Region

Commuter RR To 'Double-Deck' To Increase Capacity

More capacity for the same cost is the case with double-decker commuter cars -- if they can fit into tunnels, that is. Bi-level train were once more common in the commuter trains serving NYC. However, these cars can have their own disadvantages.

August 20, 2010 - The New York Times - N.Y/Region

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