Martin Koppenhoefer wrote:
I wonder if in this case:
http://wiki.openstreetmap.org/w/images/6/69/Simpleuklanes.jpg
it would not be better to draw 2 ways (and add a relation to say that
you could - against the traffic rules or maybe as a pedestrian -
cross
the street from one way to another?
Yes, my opinion is that all highways that are more that 4 lanes wide
should be drawn as two ways. Alas, it seems that most mappers recommend
drawing one way if there is no physical divider, even if there are 4
lanes in each direction.
Otherwise there should be a way to indicate that you cannot use the
opposite lanes (say for takeovers) because of the area in the middle
of them (diagonal white markings).
There was a proposal for tagging type of divider, but it has been
abandoned for several years:
http://wiki.openstreetmap.org/wiki/Proposed_features/Divider
How would you tag a lane according to this proposal that allows at
the
same time e.g. to go straight and left?
Lanes separately are not tagged, only lane groups. In this case there
are one lane group for turning left and one — for going straight. So it
would be lanes=N, lanes:turnleft=1, lanes:through=N. If the left lane
was used _only_ for turning left, lanes:through tag could be omitted.
IZ
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