[OSM-newbies] Small streams under minor tarmac roads

[Pieren]

On Wed, Nov 11, 2009 at 2:03 PM, Andy Robinson (blackadder-lists)
<ajrlists at googlemail.com> wrote:
> exnpo-openstreetmap at yahoo.co.uk wrote:

Because I'm not a technical engineer of such contructions, I usually
tag them with tunnel=yes; layer=-1. I do that every time the bridge is
wider than longer. But I'm sure that engineers will correct me soon or
later.

Pieren