[Talk-us] Use of ref-tag on state highways

[Andrew Cleveland]

On Sat, 2011-08-20 at 09:32 -0500, Toby Murray wrote: 
> I have noticed that Mapquest prefers to only display numbers in their
> state highway shields and they are actively looking for state postal
> codes and stripping them off. So apparently the convention of using
> state postal codes is well enough established for them to base their
> rendering rules on it.
> 
> Toby
> 
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Unfortunately when the route number itself begins with a letter (like
county routes in California), Mapquest strips the first letter off,
making the shield incorrect.

-Andrew