<html><head></head><body><div class="ydpe4992235yahoo-style-wrap" style="font-family:bookman old style, new york, times, serif;font-size:16px;"><div>Many thanks,I've had other communications suggesting this too, interested in seeing how other countries are doing this, and whether there is any consistency.<br></div><div><br></div>
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On Sunday, April 7, 2019, 6:18:52 PM GMT+1, Jean-Marc Liotier <jm@liotier.org> wrote:
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<div class="ydp59e01f1dyiv7757470716yqt5917649895" id="ydp59e01f1dyiv7757470716yqtfd46431"><div class="ydp59e01f1dyiv7757470716moz-cite-prefix">On 4/7/19 6:59 PM, Kevin McPherson via
HOT wrote:<br clear="none">
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</blockquote></div></div><div class="ydp59e01f1dyiv7757470716yqt5917649895" id="ydp59e01f1dyiv7757470716yqtfd65545"></div><div><div class="ydp59e01f1dyiv7757470716ydp5be2f6dyahoo-style-wrap" style="font-family:bookman old style, new york, times, serif;font-size:16px;"><div class="ydp59e01f1dyiv7757470716yqt5917649895" id="ydp59e01f1dyiv7757470716yqtfd14126">road network
classification in OSM is never quite the same as that used by
the Roads Agency, and there are discrepancies between the
"official" data of the roads agency, and the OSM definition.
This causes confusion to anyone who wants accurate mapping. [..]</div><br clear="none">
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<p>Though Openstreetmap strives for global definitions, local
variations also exist. For example, in French Openstreetmap
"trunk" must be a dual-carriage way - that rule does not exist in
the rest of the Openstreetmap world. But divergence carries the
cost of increased complexity - tread lightly there: not all
Openstreetmap communities have sufficient power to deal with it.<br clear="none">
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<p>The ref=* tag might help you: the national highway numbering
schemes reflect the national classification - so it might be a
good source of "official" truth to carry the national road
agency's vision regardless of what the way actually is.</p><div class="ydp59e01f1dyiv7757470716yqt5917649895" id="ydp59e01f1dyiv7757470716yqtfd37655">
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