[Talk-us] Interstate Highways Relations List

Jason Straub straub20 at yahoo.com
Sun Apr 12 20:39:14 BST 2009



:On Sun, 12 Apr 2009 08:31:14 -0400
:Greg Troxel <gdt at ir.bbn.com> wrote
:> I don't understand what the "auxiliary list" is about.  Interstates
:> are interstates even if they are only in one state.  E.g. I-190 in
:> Massachusetts.

:See http://en.wikipedia.org/wiki/US_41#Alternate_routes . I've never
:seen them either, but I suppose a road can be marked as offically an
:alternative along another route.

Auxiliray routes are any 3 digit Interstate or U.S. Routes.  They're technically considered spurs and loops of the main 2 digit.  Check out the wikipedia link with the Aux routes for more info.

J



      




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