[Talk-GB] Mapping bridge heights from open imagery

Manfred A. Reiter ma.reiter at gmail.com
Fri Jul 7 13:07:43 UTC 2017

Hi Richard,



can help. ;-)


## Manfred Reiter - mobile -
## please excuse typos and brevity
## http://weeklyOSM.eu

Am 07.07.2017 14:41 schrieb "Richard Fairhurst" <richard at systemed.net>:

> Hi all,
> It would be great to get bridge height data into OSM, to stop those
> embarrassing truck-vs-bridge-deck interface moments.
> It turns out that with the advent of open street-level imagery (e.g.
> Mapillary, OpenStreetCam, and of course Geograph) it's really easy to find
> and tag bridge heights. I've written a short explanation:
>         http://www.openstreetmap.org/user/Richard/diary/41858
> In brief: choose a railway, follow it on OSM, look at imagery for all the
> bridges over roads, find a height road sign, read the height from it, tag
> the way accordingly.
> It's actually pretty fast, and we could get a lot of the UK's low bridges
> done easily. I've added a wiki page so that people can note what they've
> done:
>         https://wiki.openstreetmap.org/wiki/United_Kingdom_bridge_heights
> Anyone fancy joining in?
> cheers
> Richard
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