[Tagging] Using route=road to group the segments of a street(was: Re: Reasons for associatedStreet?)

[Anthony]

On Fri, Sep 3, 2010 at 11:55 AM, John F. Eldredge <john at jfeldredge.com> wrote:
> One thing to remember, as well, is that there are likely to be differences of opinion on
> whether disjoint segments are to be considered part of the same street or not.  For
> example, the street I live on was divided into two separated sections about 50 years ago,
> when an Interstate highway was built.  I consider both segments to be part of the same
> street, but others might well differ.

Yes, this an extremely common situation in the United States (and
quite a pain for emergency services, or at least it was in the pre-GPS
days).

> Also, there are several occurrences in Nashville, Tennessee (where I live) of different,
> unrelated streets that share names, due to the city expanding over time and including
> what had once been separate communities.  So, having any sort of automated process
> join these streets in a relation based upon shared names would result in confusion.

Can you give two or three examples, so I can file them as a reference
on this topic.  Or maybe add them to a wiki page discussing the topic.