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[quote user="al-in-chgo"]  Just wondering, but:  how many nations have HST's operating that are faster than our Accela?   For the sake of comprehensiveness, let's also count countries that have such HST's running but are of a different country's design or manufacture.  There are many interpretations for what HST-type speed is, but let's go with a common one:  a train is an HST if it can and does maintain (not all, but) sustained running at 125 mph (200/kph) or more.  Notice that Accela meets that definition.  -  a. s.  [/quote]125? That's not true HST.Let's say the USA is rather backward and lagging with HST technology. Yes they rattle a acela down tracks at 125-150.. but that is about all that set of tracks can do.True high speed has been done by the Japanese and Europeans for decades. Such trains are totally isolated from grade crossings etc. And BOY do they fly. In fact Ive heard that some French trains managed to kill regional airlines by beating thier own schedules.I think the Australians have or had Luxury trains that goes from one coast to the other.. not too fast but has everything a passenger could want for the hours and days spent on that train.I recall a experiment where they mounted a set of jets on a railroad something with wheels and broke 175 mph but it wont happen in revenue.I have heard of some maglev experiments in popular magazines where they have the ability to generate the high speeds above and way beyond piddling 150. Heck, Ive been at 140+ a few times in a very powerful car. But that I save just for me and write it off to youth gone by.Typing in Maglev in google for the USA turns up projects numbering about 10-30 around the USA where there are efforts or baby steps being made towards true HST in the USA.We have the land, money and the room to make it happen but until someone actually gets out of the research lab and builds a working HST I'll stick with a Southwest 737.
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