[Talk-us] Interstate Highways Relations List

[Richard Weait]

On Sun, 2009-04-12 at 13:23 -0500, Joseph Jon Booker wrote:
> On Sun, 12 Apr 2009 08:39:45 -0700
> Apollinaris Schoell <aschoell at gmail.com> wrote:
> > 2 relations are easier. adding role to thousands of members is a
> > pain. and we need to split relations with API 0.6 anyway
> 
> So how do we handle the case where a US route is cosigned with an
> interstate?
> 
> 1. add both motorways to new route relations that signify the direction
> of the original US route, and have no relation between those relations
> and the original US route?
> 2. Have both ways part of the original US route, with no direction
> information?
> 3. Same as number one, but have the new us routes added to a
> "super-relation" for the original US route

One relation for the Interstate.  One relation for the US Route.  They
each have ways (or sub-relations) for members.  Where they are cosigned,
the ways or sub-relations are members of both relations.