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.

Your not understand/ignore argument is weak. I mean, where would you stop? tag everything with just one label?

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