[Openstreetmap] key values to represent restricted turns

[Andy Robinson]

I've yet to see a bus driver using GPS navigation. I think they have to have
a basic knowledge of their route before they leave the depot ;-)

Valid points though. The present day navigation software is obviously
simpler than we think.

Andy

Andy Robinson
Andy_J_Robinson at blueyonder.co.uk 

>-----Original Message-----
>From: openstreetmap-bounces at vr.ucl.ac.uk [mailto:openstreetmap-
>bounces at vr.ucl.ac.uk] On Behalf Of Lars Aronsson
>Sent: 25 January 2006 22:49
>To: openstreetmap at vr.ucl.ac.uk
>Subject: RE: [Openstreetmap] key values to represent restricted turns
>
>Andy Robinson wrote:
>
>> For example, there are many locations here in the UK where a bus
>> lane gets priority on the approach into a roundabout, this is
>> mapped as a separate lane (on the left here in the UK) as it is
>> properly divided. However the software does not realise it has a
>> restriction and gives the instruction to "keep left" as this
>> represents the shortest (or perhaps even quickest) route when in
>> fact you should keep right.
>
>Perhaps you didn't tell your computer that you weren't driving a
>bus?  How should it know?  If it could conclude that you were
>walking, should it tell you to get your feet off the motorway?
>
>Does it warn against tunnels with reduced height?  Do you
>preprogram the height of your vehicle?  This could be an essential
>feature for truck/lorry drivers.
>
>
>--
>  Lars Aronsson (lars at aronsson.se)
>  Aronsson Datateknik - http://aronsson.se
>
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