[OSM-talk] [Tagging] New access tag value needed?

[John F. Eldredge]

Philip Barnes <phil at trigpoint.me.uk> wrote:

> On Thu, 2012-05-31 at 14:41 +0200, Martin Vonwald wrote:
> > 2012/5/31 Richard Mann <richard.mann.westoxford at gmail.com>:
> > > http://www.bbc.co.uk/news/uk-england-bristol-17530125
> > >
> > > (lorry stuck on very tight corner)
> > >
> > > This is tagged hgv=unsuitable in OSM
> > > http://www.openstreetmap.org/browse/way/69590803
> > 
> > In my opinion this doesn't need a special tag. Because the geometry
> of
> > the way (together with the tag width, if necessary) should carry
> > enough information.
> Where there is signage stating 'Un-suitable For HGV', then the tag is
> valid and should be used, as should 'Un-suitable For Motors', although
> there are a few that I doubt the validity of.
> 
> A couple of Google examples http://goo.gl/maps/JoD9 and
> http://goo.gl/maps/LCw9. I love the 2nd, 'Unsuitable For Motors'
> combined with NSL.
> 
> Phil
> 
> 
> Phil
> 

I know of one access road here in Nashville, Tennessee, USA that has signs saying "no trucks", because of the abrupt transition from a downward slope to level pavement.  A smaller vehicle can make the transition, but a tractor-trailer rig (an HGV, in British terms) is at risk of having the top back of the tractor crushed against the top front of the trailer.  The ASCII-art version would be something like __/.  Since OSM mapping normally doesn't include contours, this wouldn't be obvious on a map.

-- 
John F. Eldredge --  john at jfeldredge.com
"Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria