[OSM-talk] definition of the main highway-tag

[Richard Mann]

Motorways and trunk roads jointly form the most important tier in the UK.
Most countries seem to follow a similar pattern - motorways feed into
non-motorway trunk roads to jointly form the top tier.

Richard

On Wed, Aug 5, 2009 at 2:07 AM, Martin Koppenhoefer
<dieterdreist at gmail.com>wrote:

> 2009/8/5 Richard Mann <richard.mann.westoxford at googlemail.com>:
> > Motorway is mainly physical. The point is that it most definitely isn't
> > defined by importance.
>
> well, in nearly all cases the motorways will be the most important
> roads. Of course there are also other characteristics and a highly
> important footway will never become in no country a motorway (without
> at least slight modifications ;-) ).
>
> > A motorway is the part of a trunk road that has
> > grade-separated junctions, and is on a new alignment, or does by some
> other
> > means keep slow traffic out of harm's way.
>
> Yes, I'd agree on grade-separated junctions and keeping slow traffic
> out, while I don't think that new alignment is necessary neither do I
> understand, what a trunk-road is (Wikipedia:en="A trunk road, trunk
> highway, or strategic road is a major road—usually connecting two or
> more cities, ports, airports, etc.—which is the recommended route for
> long-distance and freight traffic. " so I'd say: importance). Though
> these criteria apply to some other roads as well, at least in Germany
> and Italy, that are not motorways but considered a lower class.
>
> > My concern stands - beware putting a statement at the top of a wiki page
> > that is only partly true.
>
> that's IMHO why I started this discussion: it surely isn't just physical.
>
> cheers,
> Martin
>
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