[Tagging] RFC: highway=tidal_road

Paul Johnson baloo at ursamundi.org
Wed Nov 23 06:00:16 GMT 2011

On Tue, 2011-11-22 at 21:59 +0000, Dave F. wrote:
> On 22/11/2011 20:33, Frederik Ramm wrote:
> > Hi,
> >
> > On 11/22/2011 09:17 PM, Colin Smale wrote:
> >> Surely the road in this case simply has tide-related opening times (and
> >> a variable surface?). It may be secondary, tertiary, unclassified or
> >> whatever. The fact that it is sometimes closed by the tide should be
> >> tagged separately from the type of road.
> >
> > No. This proposal is not about normal roads that may be open or closed 
> > depending on the tide. This is about unsurfaced paths which are always 
> > physically accessible (i.e. never "closed"), but will be flooded at 
> > high tide; using them without knowing that that they become flooded 
> > may cost your life.
> >
> > Because the OSM ecosystem is full of software that goes "ah, 
> > highway=footway, I'll use that and oh, look, there are some extra tags 
> > that I don't understand, I'll just ignore them" it would be dangerous 
> > to tag such a way with a normal "highway" value.
> I think your wrong.
> As Colin suggests any flooding/tidal data it should be tagged with a 
> child tags to allow the way to be tagged to the correct highway 
> classification.

What would the correct highway classification be for an Oregon beach?
These fall under the Oregon Department of Transportation's jurisdiction
despite not being improved for vehicular use (and trying will seriously
screw up a bicycle, based on experience).
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