[Talk-us] Fwd: Re: [OSM-talk] Mapquest launches site based on OSM!

[Alex Mauer]

On 07/19/2010 01:13 PM, Phil! Gold wrote:
> The problem with using refs to render state shields is that it can be
> difficult to get the right shield.  Some states use the state abbreviation
> in the road reference (so Maryland route 26 is generally written "MD 26"),
> but a bunch just use SR (so "SR 10" could be in Alabama, California,
> Florida, Georgia, Indiana, Maine, Nevada, Ohio, Tennessee, Utah, Virginia,
> or Washington state route 10).  At least the route relations have the
> state encoded specifically so the specific shield can be used.  I think
> there's more than one that uses "SH", too, and so on.

The wiki says[1] that refs should include US:[two-letter state
abbreviation].  That should make it pretty simple.

—Alex Mauer “hawke”

1.
http://wiki.openstreetmap.org/wiki/United_States_roads_tagging#State_Highways

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