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I'm working on a timeline at the moment with a long ago PoD, and the US still exists in this timeline. Cars and Airplanes come about around the same time. Rail comes about around the same time. The question is, assume everything about the US is the same (but it covers OTL US, Canada, Cuba, Puerto Rico, Polynesia, and Rio Grande, Sonora, Baja, and Chihuahua in land). If we have cars and planes, how can we have rail survive the 20th century as a viable and respectable way to travel? I'm looking towards having rail be as well traveled as in Europe and with high speed rail as a viable option where it's actually useful, and not present where it would be worthless.
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