Dan Wrote:
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> My favorite is on the pre-1929 alignment of the
> Great Northern through the Cascade mtns. It
> traversed something like 270 degrees. Inside a
> tunnel.
Both of the GN Stevens Pass Cascade tunnels are essentially straight alignments. However, the track outside the original tunnel did have a lot of curves. See this map which shows both tunnel routes, plus the original switchback route over the top of Stevens Pass before any tunnel was built:
map/photo credit, more info