[Tagging] Center turning lanes: centre_turn_lane=yes method vs. lanes:both_ways method

Volker Schmidt voschix at gmail.com
Sun Feb 19 11:27:51 UTC 2017

I like the centre_turn_lane=yes method.

But there is also the lanes= x|x|x method as shown on

Assume I have a 5-lane road with two normal lanes in each direction and a
centre-turn lane in the middle (right-hand traffic).

The lane directions are:

How do I tag the turn instructions?
Is it:
(i.e. the turn direction is referred  to the direction of the way)?

Or or should the turn direction be referred to the direction of the lane,

BTW the centre_turn_lane=yes method generates a JOSM warning:
"missing tag - street with odd number of lanes, but without lanes:forward
and lanes:backward or oneway "
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