Beginners Ask Trains Ask MR: Why do these CN boxcars have built-in flashers on the ends?

Ask MR: Why do these CN boxcars have built-in flashers on the ends?

By Steven Otte associate editor | August 20, 2021

They’re Canadian National Distributed Braking Cars, used to keep up air pressure

Four red CN high-cube distributed braking cars in the middle of an intermodal train.

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