[Talk-us] proposed first principles for United States road tagging

[Anthony]

On Sat, Mar 6, 2010 at 4:59 PM, Richard Weait <richard at weait.com> wrote:

> On Sat, Mar 6, 2010 at 3:28 AM, Paul Johnson <baloo at ursamundi.org> wrote:
> > I think it would be better if greater weight were given to what
> > network a particular road belongs to.
> >
> > Freeway expressway = motorway or trunk, otherwise...
> > US highway = primary
> > State highway = secondary
> > City/county/Forest route = tertiary
>
> Whoa!  There are too many places, in my experience, where those
> network memberships do not line up with expectation of physical
> characteristics.
>

Yeah.  Motorway is simple.  A road designated exclusively for motor
vehicles.  The rest should probably be handled on a state by state basis.
Europe doesn't have a single tagging scheme for all of its states.  Why
should the US?
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