Slaxl: I would love to have seen the Crystal Palace in its full glory.
cefm: Slaxl: I would love to have seen the Crystal Palace in its full glory.Here ya go, mate:[i.dailymail.co.uk image 468x315]
phyrkrakr: I wonder why more municipalities don't look at elevated railways these days to solve mass transit problems. Everybody wants to put tubes underground, but tunneling seems like it would be more expensive than elevated rail. Is it a noise thing?
phyrkrakr: I wonder why more municipalities don't look at elevated railways these days to solve mass transit problems. Everybody wants to put tubes underground, but tunneling seems like it would be more expensive than elevated rail. Is it a noise thing?It just seems like putting elevated tracks on existing right of way clears up so many problems related to eminent domain, traffic integration, and construction cost. If somebody wants to explain the downsides, I'd be happy to hear it.
Cthulhu_is_my_homeboy: I think the main problems are:1) Aesthetics, if it wasn't done properly an elevated railway could be a huge eyesore.Naturally, making something look good is important, but I don't think it would make or break a project like this.2) Where do you put the switching yards, stations and siderails? If your tracks are running parallel to city streets, you don't exactly have a lot of room for maneuver on that one, so you would have to clear a lot of land in potentially very valuable real estate. You could perhaps construct these facilities underground, but then you have the issue of moving trains down a potential 50-100 foot grade over a short distance, which poses safety concerns.That is a good point. Apparently the way Chicago did it was to build an elevated yard, complete with second story workshops, to handle their cars. Here's a link to a description. It's apparently just past the Harlem-Lake stop on the Green line, well outside of downtown (about halfway to O'Hare, actually).As far as changing grade, that's something you're going to have to deal with anyway. No city is going to be completely flat (except maybe somewhere in Kansas) but it's not that big of a deal for the amount of weight you're going to be moving on urban rail. I'm pretty sure that the light rail in Boston, for example, runs in some place at at least an 8% gradient.3) Unauthorized access by hitchhikers, vandals, saboteurs and would-be daredevils. It's relatively easy to secure subway tunnels because there are a limited number of above-ground access points, and nearly all of them are manned stations. With an elevated railway it's much harder to prevent idiots and criminals from climbing onto the tracks and injuring themselves or harming passengers and property, because the entire track is exposed and it isn't practical to have security guards monitoring every inch of rail.I really don't think that this is as big of a problem as it could be. I mean, people don't regularly get killed goofing off on street level trams and the like, people don't usually jump off subway platforms, so how would putting the lines 20 feet in the air make them more likely for people to do something stupid?Good points, though.
UNC_Samurai: I could see arguments about it being visual and noise pollution. I've never lived in a city with an elevated train, but I can't imagine living near one is pleasant.
MattMillerTime: [img.metro.co.uk image 636x424]i hope this is what you meant :0
phyrkrakr: I really don't think that this is as big of a problem as it could be. I mean, people don't ...
Cthulhu_is_my_homeboy: Mainly I think the elevated nature of the tracks would attract dumbasses daredevils in a way that street level crossings don't
czetie: MattMillerTime: [img.metro.co.uk image 636x424]i hope this is what you meant :0I have no idea what that has to do with the thread, and frankly I don't care./bunk
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