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

[Nathan Edgars II]

On 8/20/2011 12:42 PM, Metcalf, Calvin (DOT) wrote:
> It doesn't matter if a state like MA uses SR internally we just use that because we deal with only one states routes.  Postal code prefixes for all routes makes the most sense.

So how do you distinguish California from Canada? Or Delaware from Germany?

And do you support putting an abbreviation of the county name in the ref 
tag for a county route? Or are those fine with the "ambiguous" CR?