Dave Stubbs wrote: >Sent: 20 September 2007 10:29 AM >To: [email protected] >Subject: Re: [Talk-GB] Speed limits > >On 20/09/2007, Abigail Brady <[EMAIL PROTECTED]> wrote: > > On 9/20/07, Nick Folwell <[EMAIL PROTECTED] > wrote: > > What do people use for speed limits in the UK? The "maxspeed=" >tag is supposed to be in km/hr. I've started using "maxspeed=30mph", is >that consistent with what others are using? Or should we have "maxspeed=30; >speedunits=mph"? > > maxspeed=48 ? > > > >48.28? > >but even that's not /right/. > >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. Apparently they decided on a 60km/h limit in >1973, but by law have to provide mph signage, and so translated (rounding >up). >I say include the units and use the locally defined units. To be compatible >maybe add a new tag for this: maxspeed_localunits=38mph (obviously thinking >up a better name). >Or do it the other way round, so maxspeed_kph=61 > >Dave > >PS. Yeah, I know, the accuracy here is barely relevant... most car speedos >will have a higher error margin than that anyway. > > Since the speed limit is generally a statutory value in my view the actual number displayed should go in the database. So that means it also needs an accompanying unit.
So maxspeed=30 and maxspeed_unit=mph would avoid any confusion Cheers Andy Andy Robinson [EMAIL PROTECTED] _______________________________________________ Talk-GB mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk-gb
