In the usa High-speed rail Acela Express is a single wire run from Washington d.c. to New York to Boston, this is because it is suitable for high speed rail travel between cities, and the population is not very far. America is too fragmented. If it is possible, it will be the East Coast cities that bar is quite close together, but actually it is the internal pressure of the automobile industry and the aerospace industry, which is a big business of America. Not to travel in another format development
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