On 5/28/2011 10:52 PM, Nathan Mills wrote:
Only if trunk has a meaning that implies that a road tagged trunk is
somehow better than a road tagged primary, which it apparently does not,
at least in some people's minds. If you're going to waste trunk on curvy
two lane roads, a router may as well use distance or maxspeed as a
better metric. As it stands, some of us are using trunk as more of a 'I
know it when I see it' thing than something useful for routing purposes
like motorway.

Your same argument applies to the difference between primary and secondary, and that between secondary and tertiary.

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