[Tagging] Slow vehicle turnouts

Warin 61sundowner at gmail.com
Sat Aug 25 12:54:04 UTC 2018

On 25/08/18 10:17, Dave Swarthout wrote:
> I've been trying to decide tagging for slow-vehicle turnouts 
> consisting of a lane added to the right side (in the U.S.) of the road 
> so that slow moving vehicles can pull aside to allow following 
> vehicles to pass. The best I can come up with is the tag 
> highway=passing_place but strangely it applies only to nodes. I'm 
> looking for examples from the real world similar to the one in this 
> JOSM screenshot. I've selected both the passing lanes to color them 
> red so you can see them.
Passing place .. I know them from Scotland - on a single lane road (two 
way) if;
you come up behind a slow moving vehicle they are supposed to pull in to 
the next 'passing place' and let you by,
you see an oncoming vehicle you are supposed to pull into the next 
passing place .. unless the oncoming vehicle gets into one.

Of course the actual road rules may be different from my observations .. 
but for a practical perspective that is the behaviour I have observed.

Passing places have barely enough room for one vehicle towing a caravan. 
They are not that long. And you actually have to come to a complete stop 
in them .. too short to do anything else.
I have followed a slow moving vehicle for some distance .. going by a 
few 'passing places' with no pulling over.
And I have come across oncoming vehicles where I have pulled off the 
road risking getting bogged as there were no convent passing places 

> I had been using a variable number of lanes to describe the situation 
> but these two passing_places are offset making using the lanes tags 
> cumbersome to apply, 4 separate pieces, lanes going in different 
> directions, oneway sections, etc. According to the Wiki, the 
> passing_place tag is to be used only on nodes. 
> (https://wiki.openstreetmap.org/wiki/Tag:highway%3Dpassing_place) Why 
> this should be so, I do not understand.
> https://www.dropbox.com/s/p4g4t7mk6e4161l/passing_place.jpg?dl=0
> What alternatives do I have?

Make a new tag.

In some instances here the traffic is directed into the side lanes, with 
one centre land for passing...
a danger here is with opposing traffic where opposing people want to pass.
I take the chicken view - if there is opposing traffic that I cannot see 
around then I will not take that centre lane.
This centre lane might also be termed a 'passing lane'.

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