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<div class=Section1>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>It would be good to get a resolution of the issue of
highway classification and rendering in the <st1:country-region w:st="on"><st1:place
w:st="on">USA</st1:place></st1:country-region>.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>The <st1:City w:st="on">San Francisco</st1:City> area
is getting into a <a
href="http://openstreetmap.org/?lat=37.3792&lon=-121.9487&zoom=12&layers=0BFT">pretty
good state now</a>, and could act as an ‘exemplar’ area for the <st1:country-region
w:st="on"><st1:place w:st="on">USA</st1:place></st1:country-region> should good
tagging practice, however the current highway tagging and rendering is a mess and
also looks wrong on the final map.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'> I realise a bunch of you are meeting tomorrow in
<st1:place w:st="on"><st1:City w:st="on">San Francisco</st1:City></st1:place> for
a mapping party tomorrow so though I would chuck in my thoughts first.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>The interstate roads are currently tagged ‘motorway’
and rendered blue.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>The state roads are currently tagged on OSM variously
with trunk (green) primary (red) and secondary (orange). Some pretty major
roads a tagged with secondary (actually a very lowly road class in the <st1:country-region
w:st="on"><st1:place w:st="on">UK</st1:place></st1:country-region> below
motorway, trunk and primary) and I suspect that this is because it renders with
the correct colour. There is no ‘secondary_link’ tag for exit and
entrance ramps because secondary roads are too minor to have such things so highways
rendered as secondary are using ‘secondary’ tags for exist and
entrance ramps as well.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>With the current rendering people will be tempted to
tag major roads as ‘secondary’ and get everthing into a bit of mess
although others will insist on using the hierarchy correctly and ignore the non-standard
colour of the resulting map.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Can I propose the following:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Interstate should be tagged ‘motorway’
and be rendered orange with a rather grand rendering of the route number as on
Google maps and on other US maps.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Major non-interstate highways that have traffic
light free multi-level junctions etc should be tagged as ‘trunk’
and possibly also be rendered orange but with less grand route numbers to
differentiate them from interstate routes.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Major routes with multi lane traffic (2+lanes in
each direction) but which stop for traffic signals and have random side roads
coming in frequently are tagged ‘primary’ and should appear yellow
and be reasonable wide.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Secondary and tertiary and then available for lower
tiers and should appear as yellow but be narrower.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>If we can agree on the rendering rules and get both
Mapnik and osmarender sorted out for the <st1:country-region w:st="on"><st1:place
w:st="on">USA</st1:place></st1:country-region> then people will be incentivised
to tag appropriately. The moto ‘render and they will come’ probably
applies here as elsewhere.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Can I suggest that you do some block changes to the
highways tags over the weekend to get the tags right and (of course the colours
will then be wrong) ie top roads motorway/motorway_link=blue, next level trunk/trunk_link=green,
next level primary/primary_link=red and finally secondary=orange and tertiary=yellow
and then ensure that the rendering rules get sorted for osmarender and mapnik .<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Btw, I am not on the talk-us list. I will look and
he <st1:place w:st="on"><st1:country-region w:st="on">USA</st1:country-region></st1:place>
list on the web from time to time but so do include me in any relevant
responses. I am copying this to the main list because I suspect the issue also
applies to other countries around the world.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'>Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-GB style='font-size:
10.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt'>Peter Miller</span></font><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoBodyText><font size=1 face=Tahoma><span lang=EN-GB
style='font-size:9.0pt;line-height:120%'><o:p> </o:p></span></font></p>
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