[Tagging] Incorrectly tagging locks on rivers as canals

Paul Allen pla16021 at gmail.com
Thu Apr 25 21:54:29 UTC 2019


On Thu, 25 Apr 2019 at 22:16, Graeme Fitzpatrick <graemefitz1 at gmail.com>
wrote:

> Getting away from the discussion of river v canal & back to the original
> problem pictured
> https://www.openstreetmap.org/way/347369154 , why is it "River Wey
> Navigation" while the river itself is just "Wey"
>

Canals, when used for boats, are often known as navigation canals.  And
sometimes
referred to as just navigations.

It looks to me like the River Wey Navigation might be a canal to shorten
the route for river traffic
(or maybe because the river at that point wasn't deep enough and it was
cheaper to construct
a canal than dredge the river).  Which would make sense.  Which is why I'm
probably wrong,
because things rarely make sense.

& is the unnamed river to the South
> https://www.openstreetmap.org/way/23216681, the natural Wey?
>

It could be the curd. :)

Actually, it may not be the natural Wey.  Not going by the OS 1:25k
historic layer.  Which is
incomplete.   But the same layer is available from NLS (easy to select with
JOSM, but if you're
using iD then use https://geo.nls.uk/mapdata2/os/25000/{zoom}/{x}/{-y}.png
as your custom
layer (I have asked iD to use the NLS version instead but the iD team just
respond by
saying they don't want that historic layer there anyway because they think
it confuses people).
It looks like the natural river got diverted at some point after the canal
was built in order to
make room for roads.  But that is a wild guess on my part.

-- 
Paul
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