> [WS:] You are predictable like bowel movement
I'd rather be regular than wrong :)
> How come that these very tall mountains are not a problem for
> Interstate 5 that runs through the mostly flat Central Valley.
Because, dear Woj, cars and trucks can climb grades that are much steeper than Acela-like trains. Please Google "grapevine steep grade" for more information.
> (TGV can sustain 5% grade), which is why the French decided to build
> a totally new tracks for their TGV.
Sorry, dedicated TGV ROW is nothing like "Acela-like" technology, which is in fact, built on existing freight ROW.
/jordan