Quote:
Originally Posted by Xerx
Probably because they will still share track will heavier freight trains.
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That seems to be the case.
The Acela trains were designed to run on existing trackage that has been upgraded to handle a passenger train that can run up to 150 mph (240 km/h), but because of the cost of maintaining this high speed track, only some sections (typically straight and flat) are brought up to this top-level standard.
The rest of the tracks are improved enough so that the Acela can run between 80 and 100 mph over them so the average speed of the run can be advertised as 'faster than 100 mph'.
The difficulty that Acela has is that it is sharing tracks with the freight traffic that the railways are running (and profiting from), so Amtrak has to make agreements with these railways so the Acela doesn't get slowed down by the freight traffic. Amtrak doesn't own any of the tracks it runs on because it was set up back in the 70s to let the railways drop their money-losing passenger services. Amtrak owns the cars and runs the passenger service on tracks owned by the railways.
California is trying to build a true TGV-style high speed rail between LA and San Francisco (with future extensions to Sacramento and San Diego), but TGV-style trains work best on their own dedicated tracks that are as straight and flat as can be engineered. They might get Phase One running by 2020, and after spending an estimated $30 Billion the extensions could be opened before 2030.
A few years ago, California voters approved a $9 Billion measure to construct the initial segment of the planned California High-Speed rail network. Construction may start in 2012, and could take 8 to 12 years to finish Phase One, with no timeline or funding for building the extensions.
There are rumours that another TGV-style high speed rail is to be built between LA and Las Vegas, but I've been hearing variations of this idea since the early 80s. I was down there 10 years looking for properties, and the realtor was trying to convince me that 'when the new high speed rail is built, Las Vegas will become a commuter suburb of LA'.
Such were the pre-recession dreams.