Hi,
It is simple:
Look in the direction of the road= arrow (eg S>N)
Observe lane from left to right.
In Belgium on a common street with 2 directions, the left side is in the
reverse direction (eg 2 N>S) and the right side lanes goes in the
direction of the arrow (eg 3 S>N).
So you have in the strait piece of the road:
turn:lanes:backward=none|none
turn:lanes:forward=none|none|none
For the turning itself before a crossing you consider the direction of
the lane:
eg N>S outside lane (1) is for turning right and going through, inside
lane is for turning left (by crossing other 3 lanes)
turn:lanes:backward=right|through;left
In the forward direction (S>N) is eg a lane for every direction
turn:lanes:forward=left|through|right
The last and outside lane (5) is of course for turning right.
Regards,
Gerard
Jakka wrote:
Hi,
Reading en try to understand lanes and turns wiki's
https://wiki.openstreetmap.org/wiki/Key:turn
In Belgium right side driving how do I compose my value key of de lanes?
I get confuse with the wiki images and explanations in it.
Not going in detail yet only the positions of lanes. For i go futher
to understand the next wiki.
OSM direction (arrows) south to north
lanes=5
2 north to south and 3 south to north nummerique counting from left to
right 1,2,3,4,5
so I split north to south thats something with backward
turn:lanes:backward 1|2
so I split south to north thats something with forward
turn:lanes:forward 3|4|5
or is it from right to left?
5|4|3|2|1??
Or the lanes them self left to right or right to left.
Sorry I am lost here
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