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<p>Excellent pick up Ben.</p>
<p>For routes that cross state borders, I would favour using AU:NAT (or AU:COM/AU:FED/AU:AUS, something that says “interstate or national).</p>
<p>I could also see an argument for creating a seperate relation for each state, with a national superrelation…. To be that seems like too much overhead.</p>
<p>Dian</p>
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<p id="reply-intro">On 2022-08-12 04:15, Graeme Fitzpatrick wrote:</p>
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<div class="v1gmail_attr" dir="ltr">On Fri, 12 Aug 2022 at 13:37, Ben Kelley <<a href="mailto:ben.kelley@gmail.com" rel="noreferrer">ben.kelley@gmail.com</a>> wrote:</div>
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<div>I'm guessing more than one state has an A40.</div>
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<div>& how would we work "Highway 1", with its myriad of alternative designations & names?</div>
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<div><a href="https://en.wikipedia.org/wiki/Highway_1_(Australia)" target="_blank" rel="noopener noreferrer">https://en.wikipedia.org/wiki/Highway_1_(Australia)</a></div>
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<div> Thanks
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<div>Graeme</div>
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