[OSM-talk-be] bridge or tunnel?

[Marc Gemis]

This is the place:
https://www.google.com/maps/@51.2216551,4.0345363,3a,75y,49.39h,77.96t/data=!3m6!1e1!3m4!1sjggCIzrpgLhVFtrn6gYCnQ!2e0!7i13312!8i6656
(sorry no Mapillary images yet).

Burchtakker (the parallel road) is lowered near the (bicycle) tunnel
under the E34/A11.

On Tue, May 28, 2019 at 6:36 PM Marc Gemis <marc.gemis at gmail.com> wrote:
>
> I think there is a tunnel under  the e34 between Antwerpen en Zelzate.  There used to be a level crossing which was removed and instead they created an underground passage for it.
>
> M
>
> Op di 28 mei 2019 14:46 schreef Lionel Giard <lionel.giard at gmail.com>:
>>
>> @joost schouppe  To me that's indeed a bridge, as you see the same structure as on the motorway bridges : a platform supported by pillars....
>>
>> A tunnel is generally something that was dig (removing earth/material) and consolidated from the inside (most often with concrete) like a subway tunnel if you want. It seems pretty rare to dig a big hole, make a tunnel and put back the earth on top ! ;-)
>>
>> I can't find example of tunnels that's really like "under a railway or motorway", so i would say that probably 99% of the tunnel are below ground or mountains/hills (if we exclude the obvious building passage that we classify as tunnel in OSM). They are generally longer than wide as someone quoted from wikipedia.
>>
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