[OSM-newbies] roads that pass through/under buildings

[Matias D'Ambrosio]

On Thursday 16 October 2008 12:36:45 Joe Richards wrote:
> I have come across a couple of situations where a street or road has a
> building on both sides of it, and a sort of bridge (consisting of the
> building, with a gap or tunnel to let traffic through) - so of an
> underpass...
>
> How is this best tagged?
>
 I guess layer=1 for the building, if the road is not sunk, at least for the 
part of the building that is above the road.