What substantial infrastructure investment did Union Pacific have to make to accommodate the immense size and weight of the Big Boy?

Answer

Installing 135-foot turntables

To handle the Big Boy’s immense size, Union Pacific made significant infrastructure investments, including installing new 135-foot turntables.

What substantial infrastructure investment did Union Pacific have to make to accommodate the immense size and weight of the Big Boy?

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This Locomotive Had MORE POWER Than Big Boy! - YouTube

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