[OSM-talk] Access restrictions (was: Feature Proposal - RFC - (PSV_directions))

[D Tucny]

2008/6/30 Cartinus <cartinus at xs4all.nl>:

> On Monday 30 June 2008 11:22:44 Charlie Echo wrote:
> > - most Ways are Oneways. If comparing length, it's probably not the case,
> > but by number of ways, it IS probably the case.
>
> Not according to tagwatch:
>
> * If I compare the total number of oneway=true/yes/1 tags tot the total
> number
> of highway tags used on ways in the Netherlands I get a number of 1.25%
>
> * If I look at the number of residential and unclassified roads (the most
> numerous roads in any fully mapped area) in France that also have a oneway
> tag, then I see something around 10%.
>

Motorway at least has an implied oneway=true as default doesn't it? Most
ways that you can't cross for turning left/right, performing uturns, etc,
even if they don't have a phyical barrier in the middle should also consist
of multiple oneway ways shouldn't they?
As far as number of ways though I would guess that the massive number of
small residential roads that aren't in any way one way would definitely
outnumber those larger trunks in count if not length...

d
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