Re: OT: Street systems (was: Spatial thinking)

--- Tim May <butsuri@...>
wrote:
> John Cowan wrote at 2004-01-22 08:05:02 (-0500)
>  > Tristan McLeay scripsit:
>  >
>  > > That has nothing to do with a grid,
> though; it comes from a
>  > > neumeric system.
>  >
>  > There can be and are grids without numbers,
> as you say; but a
>  > numeric system without a grid is hardly
> conceivable.  I am told
>  > that somewhere in London's twisty little
> maze of streets, all
>  > different, there are a First, Second, and
> Third Streets -- forming
>  > a triangle.  Feh.
>  >
>
> but it's
> unlikely that anyone would call a triangular
> set of roads avenues.
Washington, DC. There are quite a few elongated
and odd triangles where Avenues cross. Kansas,
Eastern and Misouri being one. Alaska, Eastern
and Georgia form a bisected right angle (with
Aspen St. forming the base of both triangles).
Pennsylvania, Southern and Branch form another
triangle. Though imperfect, the biggest triangle
of all are Eastern, Constitution/Independence and
Western, encompassing the whole of DC north of
the Capitol. Imperfect, because bits of that
triangle are in Virginia (and Independence,
Constitution and E. Capitol St. conflue at RFK
Stadium. Course, triangles are a natural in DC,
which itself is composed of four triangluar
regions.

Padraic.


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