[Tagging] Slow vehicle turnouts

Dave Swarthout daveswarthout at gmail.com
Fri Sep 7 22:24:50 UTC 2018


The situation in the video is the one for which the tag passing_place was
invented. I think the name is misleading for the reasons I've stated
before.  I agree that such places are perhaps best described by a node, as
demonstrated in the Wiki definition but this situation is, I think,
considerably different from the turnout lanes I'm trying to model. The
passing places in the video and Rule 155 are actually places where cars
that move into them are there to be passed; they are not places where one
passes other vehicles. It's a subtle difference in implied meaning. I was
aware of this difference when I tagged the turnout lanes originally and
felt it was a poor fit to my scenario but I did it because there were no
other alternatives offered in the Wiki. I don't want to fight what would
surely be an uphill battle to redefine passing_place to suit my preference
especially knowing now, thanks to Philip, that such language is enshrined
in the UK Highway Code.

I'm still looking for a simple solution that allows me to tag
slow_vehicle_turnout lanes in such a way that makes them visible to drivers
using a GPS as they motor along behind a sluggish truck or bus: "Turnout
lane ahead in 1000 meters". Simple logic and unambiguous tagging will make
that easier than figuring out that a short multi-lane segment of a given
highway actually contains a lane dedicated for vehicles to use so they can
be passed. But, hey, I'm not a routing expert. Maybe the complex tagging
using lanes presents no particular problem for routing software, I dunno.

Dave


On Sat, Sep 8, 2018 at 2:21 AM Philip Barnes <phil at trigpoint.me.uk> wrote:

> On 06/09/2018 12:37, Steve Doerr wrote:
>
> >
> > Note that in 'passing place', as commonly used in the UK at least, the
> > reference is usually to two vehicles going in opposite directions, so
> > it's not the same as overtaking (though 'passing' does mean that as
> > well, more often in fact).
> >
> Not strictly true, passing places in England, Scotland and Wales are
> also intended to allow faster traffic to overtake.
>
> It is covered by highway code rule 155 states "If you see a vehicle
> coming towards you, or the driver behind wants to overtake, pull into a
> passing place on your left, or wait opposite a passing place on your
> right."
>
>
> https://www.gov.uk/guidance/the-highway-code/general-rules-techniques-and-advice-for-all-drivers-and-riders-103-to-158
>
> It reminded me of a public information film from a while back
> https://www.youtube.com/watch?v=BQZownCGnYg
>
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-- 
Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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