[OSM-talk] railway=narrow_gauge

Andy Robinson Andy_J_Robinson at blueyonder.co.uk
Tue Jun 19 15:00:18 BST 2007


Laurence Penney wrote:
>Sent: 19 June 2007 2:51 PM
>To: talk at openstreetmap.org
>Subject: Re: [OSM-talk] railway=narrow_gauge
>
>Compared with roads, it's typically very easy to find out the exact
>gauge of any railway. As an example, in less than a minute I found out
>the gauge of the Ffestiniog Railway from their website: 22.5 inches.
>
>So my vote is for:
>
>gauge=22.5in (using 'in' or 'mm' as units)

There is an argument for saying that any distance measurement we place in
OSM should have an accompanying unit. So for instance gauge_mm=564.75 or
guage_ft=4.708333

Cheers

Andy

>
>We'd obviously not desire this key/value for "standard gauge" railways
>= 4ft 8½ in = 1435 mm.
>
>http://en.wikipedia.org/wiki/Rail_gauge
>
>-- L
>
>
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