[Tagging] Dispute prevention: meaning of lanes tag

Philip Barnes phil at trigpoint.me.uk
Fri Apr 20 14:08:31 BST 2012

On Thu, 2012-04-19 at 13:38 +0200, Martin Vonwald wrote:
>   - A one-way road has one lane
Not always it has however many lanes there are on the ground.
http://bit.ly/JTZo3k has 3 lanes.

>  - Two-way roads with a specified lane count, but without a specified
> lanes:forward OR lanes:backward and a lane count, that is divisible by
> two, are assumed to have half of the lanes in each direction, e.g.
> lanes=4 means two lanes in each direction if not specified otherwise.
> I will add a recommendation for this situation, to add explicit
> values.
What happens when there are 3, with the centre lane shared?
http://bit.ly/HYdlkF Google Streetview
http://www.openstreetmap.org/?lat=51.80666&lon=-3.19175&zoom=16 OSM


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