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masraum masraum is online now
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Join Date: Oct 2001
Location: Central TX west of Houston
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Quote:
Originally Posted by unclebilly View Post
We have something similar here…

Spiral Tunnel in Yoho Nationl Park…



The loops are carved into the mountain as a tunnel.

https://parks.canada.ca/pn-np/bc/yoho/culture/kickinghorse/visit/spirale-spiral
Very cool.



Quote:
Originally Posted by wdfifteen View Post
This is very interesting. I had no idea, though it makes sense. Thanks for posting!
Right, going straight up a hill is a lot for a train. Trains have a much harder time using the automotive method of switchbacks even though they do corner like they're on rails.

This is a wide photo, but with lots of good info/detail.
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Old 04-21-2024, 09:05 AM
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