[Talk-us] State highway refs (was Re: New I.D Feature)

[James Mast]

Same thing goes with Florida.  Just the state outline.

Heck, in Pennsylvania, originally on BGS's before we started to use the Keystone shield, we used the 'PA' abbreviation (one such sign that still stands [1]).  However, now on the little white reference mileage signs [2] that PennDOT posts on roads they maintain, it says 'SR' (even on Interstates).  However, PennDOT recently posted a nice little gem on PA-28 @ Exit #6 going both directions that goes back in time and mentions the 'PA' on the sign. [3]  There are at least 3 of these signs (2 going SB, at least 1 going NB).

-James

[1] - http://goo.gl/maps/RsXme 
[2] - http://goo.gl/maps/ARr9s 
[3] - http://youtu.be/W3xI5Y8eRk4?t=2m1s (the video needs to be paused right here @ 2m1s to see the sign clearly)


From: burkejf3 at gmail.com
Date: Mon, 1 Dec 2014 00:55:13 -0500
To: talk-us at openstreetmap.org
Subject: Re: [Talk-us] State highway refs (was Re: New I.D Feature)

In Georgia, (almost?) all state roads are signed with the state outline and the highway number, but no "GA" or "Georgia" text with it. Occasionally you might see "State Road" or "State Route" printed on the sign in addition to the state outline. In some very rural areas, I think there might still be a few un-logoed signs, but probably not many. 



-jack

On November 30, 2014 5:58:53 PM EST, Minh Nguyen <minh at nguyen.cincinnati.oh.us> wrote:
On 2014-11-30 10:41, stevea wrote:
 My two cents:  I must say that here in California, I've made it a habit
 to remove the "County Route" designation (CR) which precedes a ref
 number in our County Route system.  For example, NE2 (a banned-from-OSM
 former contributor for those unfamiliar with that history) entered ref
 tags for many G2, N1... county routes as "CR G2" and "CR N1."  That, in
 my opinion, is so redundant (as G and N and A and S... are well-known
 multi-county/regional-within-California county highway networks) as to
 be true clutter.  People in California do know (and routing software,
 renderers... SHOULD know) that A1, G2, N4 and S16 are county routes in a
 lettered system where each letter represents a cluster of counties...at
 least in California.

Some northwest Ohio counties post shields along section line roads that 
say A, B, C, etc. So far I've been tagging them like "CR A", even though 
you'd be hard-pressed to find that style anywhere outside of OSM. 
Instead of reducing ambiguity, I wonder if the "CR" may cause very mild 
confusion, for example when a router tells its user to turn onto "CR R".

 Also, while "SR" (for "State Route" in California and other states) is
 still legally correct, I still might change for consistency's sake any
 "SR" prefix I see in a highway route relation ref tag to be "CA"
 instead.  So, while "SR 17" is correct, I much prefer "CA 17" and will
 change it to that if I see SR in a California highway route relation ref
 tag.

Yes, usage is different in California. I've only ever seen "SR" on 
signage a few times, in rather obscure places. But in Ohio, it's ubiquitous.

 I agree with what we (as OSM volunteers entering/editing data in our
 map) now do, as well as what map styles/renderers and routing engines
 do, as Minh notes above:  "recognize the state abbreviation, SR or SH."
 Yes, Michigan still has its M- routes, and I think OSM (both its human
 editors and software components) should just learn to cope with that
 (plus perhaps a few other states) as exceptions to this largely (though
 not completely) applicable rule.  I believe we are pretty much there,
 but we still have edge cases, data in the map and newer contributors who
 are not completely familiar with these conventions in the USA.
 Discussing it here helps, though wiki documentation and taginfo data
 which are consistent across
the fifty states is better.

My response to anyone who wants more consistency is that route relations 
are the way forward. They may be painful now but they make the data a 
lot less subject to interpretation.


-- 

Typos courtesy of fancy auto-spell technology. 
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