[Tagging] Counting lanes: include merging or turn lanes?

[M∡rtin Koppenhoefer]

2010/7/4 Alan Millar <am12 at bolis.com>:
> How are people using the "lanes" tag on motorways?  Do you count the on/off
> ramps that come and go?
> On a lot of the freeways near me, they have two main driving lanes on each
> direction, so I set it up as a dual carriage way with one-way on each side,
> and mark each side as lanes=2.


+1,


> The question comes in for the on/off ramps.  There are sections where two
> intersections are somewhat close together, and so there is an on-ramp, a
> long extended merging lane, then the next off ramp.   Strictly speaking,
> there is a third lane for some distance between the the ramps, but it isn't
> a "through" lane.  There are only 2 driving or through lanes in that section
> of freeway.


I would tag 3 lanes if they are signed as lanes.

cheers,
Martin