[OSM-talk] Should Bridges be independent of their ways?

[John Smith]

2009/9/19 Martin Koppenhoefer <dieterdreist at gmail.com>:

> what do you mean? We are already doing this: lanes=3

That only says how many lanes, it doesn't describe restrictions or
properties of individual lanes.

> In simple cases you don't need it, and when it get's complex, IMHO
> explicit mapping is the only transparent and easy way to solve the
> issue.
> One of my favourite example is this situation:
> http://maps.google.it/maps?hl=de&ie=UTF8&ll=41.866627,12.49679&spn=0.000684,0.001206&t=h&z=20

No, more like this:

http://wiki.openstreetmap.org/images/4/46/Lane_group_example1_screen_2.png

> you will get just confusion when you start to count lanes and tag
> things like lane:11=oneway, no_right_turn
> Usually at crossings you will have different turnrestrictions for
> parallel lanes. Lanes are starting and ending (even small ones as for
> busses, to turn, etc.).

I'm not suggesting to do it that way, I'm suggesting editors show each
lane as a parallel way and each lane can be tagged independent of the
way.