Re: Suburban densities and rail service (was Re: Putting light rail in subway)

[Mark Gibson <gibson@bluestem.prairienet.org>]

In alt.planning.urban David Barts <n5jrn@ricochet.net> wrote:

>Many railroads in the Western US used narrow gauges so as to allow
>for sharper turn radii (a big plus in mountainous areas).  I believe
>significant amounts of narrow gauge lasted until 1960 or so (such
>as the Denver and Rio Grande Western).  Two segments of the latter's
>narrow-gauge trackage survive as tourist railroads.

How are the rails on turns made to curve properly?  I realize it isn't
a tough technical problem today, but how about 150 years ago?


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