>From the Wiki http://wiki.openstreetmap.org/wiki/United_States_roads_tagging
“The two letter abbreviation for the state per the United States Postal Service's <https://www.usps.com/send/official-abbreviations.htm> state abbreviation list, another abbreviation used by the state (such as SR for State Road), or no prefix. Different states may have different standards for which to use, and there is no current inter-state standard.” I take the “Different states may have different standards for which to use” to mean that not all states use the two letter abbreviation and in states that don’t we should use that states standard for example Michigan uses M. The highway behind my house is M-15 and singed that way so I would think it should be tagged that way. Am I reading the Wiki wrong? Thanks Dave From: Paul Johnson [mailto:ba...@ursamundi.org] Sent: Saturday, November 29, 2014 10:04 PM To: Shawn K. Quinn Cc: OpenStreetMap talk-us list Subject: Re: [Talk-us] State highway refs (was Re: New I.D Feature) On Sun, Nov 9, 2014 at 3:10 AM, Shawn K. Quinn <skqu...@rushpost.com <mailto:skqu...@rushpost.com> > wrote: So, a couple of questions: 1. What, exactly, is fair game to change to a state abbreviation reference? Fair game nationwide, two letter state abbreviations should be used for the primary state highway network. 2. Which states spell out the name in the ref? I know Kansas uses K-123, and Michigan uses M-123. Are there any others to be careful of? Kansas should be KS 123, Michigan should be MI 123. Ultimately, though, both should be part of route relations that describe the route so we can quit adding ref=* to the incorrect entity (it's not the way's ref, it's the route's!).
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