Is one Shinkansen better than two locomotives?

Best Answer
The Shinkansen carries the same number of passengers as a normal locomotive, but it moves faster. You can also add carriages to Shinkansen which also move fast to increase capacity.
Which is better depends on the circumstances. If you have a line with lots of long stretches then the Shinkansen could definitely be helpful. If you take any existing spare carriages and locomotives out, the question boils down to: do you want half of the seat capacity for a single faster train? As 6005 commented the additional carriages makes a huge difference to this decision. If you can't add any carriages to the Shinkansen the lower capacity will be a bigger detriment and I'd say the two locomotives will be easier to get further with.
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Shinkansen vs TGV - Is One Better Than the Other?
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