[OSM-talk] Should Bridges be independent of their ways?

[Frederik Ramm]

Hi,

John Smith wrote:
>> I would recommend a relation to unify "several bridges" in one (which
>> gets also the name). Not really more simple to map, but resulting more
>> accurate and probably could also render nicer.
> 
> That seems like such a nasty way to do it, this is why I've suggested
> allowing us to tag lanes, not just ways so we don't need to do this
> sort of hacks to tag the physical world.

Indeed. A much better way would be tagging the bridge as a man-made 
construct of its own (i.e. in most cases draw an area for the bridge 
surface), and then use a relation to say which ways lead over (and 
possibly which lead under) the bridge.

See the ideas under

http://wiki.openstreetmap.org/wiki/Relations/Proposed/Bridges_and_Tunnels

Bye
Frederik