<div dir="ltr"><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Am Di., 26. Feb. 2019 um 13:40 Uhr schrieb Paul Allen <<a href="mailto:pla16021@gmail.com">pla16021@gmail.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">On Tue, 26 Feb 2019 at 12:17, Fernando Trebien <<a href="mailto:fernando.trebien@gmail.com" target="_blank">fernando.trebien@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
I don't think a uniform, worldwide highway class standardisation based<br>
on road attributes is possible and satisfactory. But I think a<br>
functional one would be, at least as a guiding principle.<br></blockquote><div><br></div><div>What we currently have doesn't reflect reality too well, even in the UK. It makes the</div><div> assumption that the width/capacity/speed of a road correlates well with its classification.</div></div></div></blockquote><div><br></div><div><br></div><div>this may be the situation in the UK, in the rest of the world (at least non-Commonwealth), we do not have these issues, because we are classifying the roads ourselves, rather than translating one of the different categorizations that are locally available. <br></div><div><br></div><div></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div>Of course, we have lanes and speed limits to refine matters, but there is still the implicit</div><div>assumption by many mappers that a primary route is "better" than a secondary route.</div></div></div></blockquote><div><br></div><div><br></div><div>of course, under "normal" conditions, a primary road should be "better" than a secondary road, for long-distance travel.</div><div><br></div><div></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div><br></div><div>It's sort of true, in the UK, most of the time. But it is possible for a primary route in the UK</div><div> to have fewer lanes or lower speeds for part of its length than a secondary route between the</div><div>same two locations. Unlikely, but possible.</div></div></div></blockquote><div><br></div><div><br></div><div>this is again a problem isolated to the UK, and not useful to discuss on the international mailing list because it really only applies to British areas.<br></div><div><br></div><div>Cheers,<br></div><div>Martin<br></div></div></div>