[Tagging] The Turn Lanes proposal and center turn lanes

Ilya Zverev zverik at textual.ru
Wed Jan 18 12:48:00 GMT 2012


Hi! During the voting three people stated concerns about center turn 
lanes being unsupported by the proposed tagging scheme. I agree that 
those lanes are vital for rounting, but also I consider them irrelevant 
to the proposal. A quote from the FAQ: "Turn lanes tags deal with the 
one-way part of the road (and is extendable to either parts with 
:forward/:backward suffixes), and center lane is a part of the whole 
road, not any side of it."

Also, Rickmastfan67 was kind enough to provide me with a taginfo link 
that shows there IS already a tag used to mark center turn lanes. 
center_turn_lane=yes/no is used all across US, and there are more that 
400 uses of it. This tag doesn't directly affect the turn lanes 
proposal, but can be included into a description for navigation software 
authors.

I've discussed the proposal recently with Martin Vonwald (and some 
other people, including a Skobbler employee), and as a result there is a 
FAQ page, which answers most of the recurring questions. I hope it will 
help you understand the proposal, and maybe start using it :)

http://wiki.openstreetmap.org/wiki/Proposed_features/Turn_Lanes/FAQ

A voting is still going on, you can read the proposal and vote
at http://wiki.openstreetmap.org/wiki/Proposed_features/Turn_Lanes


IZ



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