Quote:
Originally Posted by PhillyPDX
It’s a federal rule, 79 has been the max since 1947. Exception is Amtrak in NE corridor, because that is on separate tracks.
If you want to go faster, you need a dedicated ROW. No sharing/at grade crossing of freight lines.
Faster lines in PacNW needs its own tracks, and that’s what HSR advocates are pushing for. But it’s obviously substantially more $$$.
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No, HSR advocates are pushing for a new ROW for even higher speeds, which aren't likely to be necessary. Higher speeds are really only justified by the need for greater capacity, and no one's projecting any PNW city to pop into double-digit millions basically ever, which is the metro size anchoring 300kph+ lines anywhere.
What they're advocating for is a solution to a problem that doesn't exist. We need higher-speed rail--maybe up to 250kph, but not more. That would likely require
some new ROW, but not an entirely new alignment as would be required by the 400kph speed every PNW HSR study I've seen advocates for. It's not even like these are especially large distances to cross. We're doing the American thing of trying to leapfrog what's already out there, perhaps out of embarrassment that we're currently so far behind, even if it doesn't make sense.
I can't say I know that the ROW is wide enough for triple or quadruple tracking throughout the entire corridor (though I bet it's not), but if the hold up is FRA regulations more than anything else, those aren't set in stone, either (even if there's not
no reason to segregate freight and higher-speed passenger trains). The Cascades already gets good ridership by American standards; we don't need to reinvent that particular wheel.