[Talk-GB] Speed limits

Andy Allan gravitystorm at gmail.com
Thu Sep 20 11:26:52 BST 2007


kph?

On 9/20/07, Andy Robinson <Andy_J_Robinson at blueyonder.co.uk> wrote:
> Richard Fairhurst wrote:
> >Sent: 20 September 2007 10:48 AM
> >To: talk-gb at openstreetmap.org
> >Subject: Re: [Talk-GB] Speed limits
> >
> >Dave Stubbs wrote:
> >
> >> I came across a speed limit in Windsor Great Park a few weeks back for
> >38mph
> >> which is a little odd... I'm not going to encode that as maxspeed=61.1 as
> >> that would seem silly.
> >
> >There are signs on a few canals in Leicestershire which say, in a nice
> >little red circle, "6.43 km/h". I kid you not.
> >
> >The Environment Agency did it the sensible way. When they introduced a
> >speed limit on the Thames, they purposefully chose 5mph because it'd
> >be easy to sign as 8km/h if that was ever required.
> >
> >Anyway, back to the point, I'm not sure about the point of using
> >"maxspeed_units" as a separate tag - it's adding an extra point of
> >failure (what if the tag's removed? what if a client sees one tag and
> >ignores the other?) and it's more of a faff to edit. Most importantly,
> >it's another thing to remember - OSM tagging is difficult enough for
> >the beginner without expanding the vocabulary needlessly.
> >
>
> Point taken. maxspeed=30mph or maxspeed=60km/h does it in one, or should
> that be kmph do you think.
>
> Cheers
>
> Andy
>
> Andy Robinson
> Andy_J_Robinson at blueyonder.co.uk
>
>
>
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