rail10 wrote:What technology is the antiquated NYC subway derived from?I don't know what is "antiquated" about the Subway, except that it dates from 1904 (more or less). Maybe you didn't mean to use that word? What are you asking about specifcially, please?
jonnhrr wrote:I suspect the technology to build the NY subways were based on the initial efforts in Boston.the concept of cut and cover construction came from the oringal building of the Metropolitan Line in London, which is classifed as Sub surface and even has some open air sections today. even back then they weren't dumb enough to put a steam engine in as deep a level as the modern deep level tube network is.
jonnhrr wrote:Yes London (Metropolitan and District) were definitely first, and Budapest might have gotten in there as the 2nd one.whatever, you're the ones trying to pass of a street car line off as a subway.
I had to mention Boston's project as a more direct influence spurring New York to develop subways - you know that NY - Boston rivalry