If trains take so long to stop, how do subway trains stop so quickly

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I know subway trains probably weigh alot less than freight trains, but I’d imagine they are still super heavy so how do they manage to stop so quick?

In: Engineering

3 Answers

Anonymous 0 Comments

I mean, it’s an understatement to say they weigh a lot less than a freight train. A subway train car is SUBSTANTIALLY lighter than a freight train car, and the subway train is not nearly as long as a freight train normally is.

A freight train can be 100+ cars, with each car weighing over 100 tons, compared to 30 or 40 tons for a subway car. A full freight train would be many multiple times heavier than a subway train.

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