[Tagging] RFC - Connectivity

Leif Rasmussen 354lbr at gmail.com
Mon Apr 22 15:55:39 UTC 2019

Hi everyone!
I have recently been mapping a lot of turn:lanes information on highways in
my area, but ran into the issue that turn:lanes fails to store all of the
necessary information in many junctions.  Multi-lane roundabouts, single
point urban interchanges, 5 way intersections with divided roads, and other
cases are all too complex for turn:lanes to handle.

Because of this, I have created a proposal for a simple type of from-via-to
relation that would provide information about how lanes in the "from" way
connect to those in the "to" way at any point where it isn't clear.  These
relations are very similar to turn restrictions, and like turn
restrictions, wont be needed in most intersections.

The relation would also be able to store the same information as could have
been possible with transit:lanes, just without the many maintenance issues
that came that system.


All feedback on how to potentially improve the proposal would be highly

Leif Rasmussen
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