This looks like coding for the map rather than mapping what's on the ground. I 
understand that a highway's importance to an area is relative to other highways 
in the area.  But that doesn't mean a two lane at-grade highway should be coded 
the same in one area as a four lane limited access highway in another. Or 
perhaps there should be another tag for the type of road as experienced on the 
ground vs a state or national scale map.

From: talk-us-boun...@openstreetmap.org 
[mailto:talk-us-boun...@openstreetmap.org] On Behalf Of Ian Dees
Sent: Tuesday, July 27, 2010 6:09 AM
To: Nathan Edgars II
Cc: Kevin Atkinson; talk-us@openstreetmap.org
Subject: Re: [Talk-us] United States Roadway Classification Guidelines

On Mon, Jul 26, 2010 at 11:54 PM, Nathan Edgars II 
<nerou...@gmail.com<mailto:nerou...@gmail.com>> wrote:
On Mon, Jul 26, 2010 at 11:10 PM, Ian Dees 
<ian.d...@gmail.com<mailto:ian.d...@gmail.com>> wrote:
> On Mon, Jul 26, 2010 at 5:35 PM, Kevin Atkinson 
> <ke...@atkinson.dhs.org<mailto:ke...@atkinson.dhs.org>>
> wrote:
>>
>> Roadway classification in the United States is subjective, there is no
>> getting around that fact. No amount of discussion is going to fix that.
>> Guidelines which only focus on each road separably without considering the
>> entire network will lead to inconsistent results.  I have created a better
>> set of guidelines at:
>> http://wiki.openstreetmap.org/wiki/United_States_Roadway_Classification_Guidelines
>>
>> Please look it over at let me know what you think.
>>
>
> I think that tagging using the highway=* tag should be done according to
> what is documented elsewhere on the wiki.
> If we want to start tagging road classification (according to the
> US/state/local governments) then we should use a different tag. We already
> do this with route relations on US routes, interstates, and some county
> roads.
Are you responding to a different proposal?

No. The proposal linked here suggests that mappers tag roads classified by the 
government with certain highway= tags. My suggestion is that if we are going to 
tag roads based on government classification and not follow the highway tag 
guidelines on the wiki, then we should use a different tag name.

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