Where did you travel, and what was the elapsed time app. on the fastest train you've taken?

Any idea of how fast?
Update: Thanks, everyone

Thank you, flutterby!
Hypnotic!...I looked online for examples of what you mention. Technology going into Shinkasens is mind boggling. Theyre never late it seems.

I have to wonder...going so fast like they do
How do they have time to stop?
Fascinating answer!
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