[Talk-us] US highway classification

[Nathan Mills]

 On Sun, 29 May 2011 03:00:03 -0400, Nathan Edgars II wrote:

> Perhaps the best way to handle it would be to render a wider line if
> oneway=yes and not lanes=1 or if oneway=no/unset and lanes=4 or more.
> Thus divided highways would not need a lane count to be wider, but
> undivided roads would need to be tagged as having four lanes.

 That seems like it would be a reasonable way to handle it. I'm no 
 mapnik expert, but I can see what I can figure out with the installation 
 I have locally. I don't think that tagging all divided highways that 
 aren't motorways trunk would be a terribly bad idea at first blush, 
 though.