[Tagging] Slow vehicle turnouts

Warin 61sundowner at gmail.com
Wed Sep 12 11:56:38 UTC 2018

On 12/09/18 21:44, Greg Troxel wrote:

> Dave Swarthout <daveswarthout at gmail.com> writes:
>> Same here. I don't have any objections to either the abbreviation or the
>> longer form. "smv" just seemed to fit well with the other abbreviations
>> already in heavy use.
>> Does anybody else have input on this?
> I have significant discomfort with smv and a bit with slow_vehicle,
> because hgv is a in OSM is defined as a vehicle with an allowable gross
> weight (GVWR in US terms) over 3500 kg (that's not a bus or a passenger
> car).  So a given vehicle is or isn't an hgv, and it doesn't change.

I'm happier with slow_vehicle as I need to think less about what it means compared to smv.

> A slow vehicle, on the other hand, is any vehicle, regardless of actual
> and permitted weight, that is driving below the prevailing speed in the
> right lane, or is about to be because of a hill.  A vehicle that could
> be driven at an adequate speed, piloted by someone who chooses not to,
> is still a slow vehicle, and an empty truck might well not be.
> So I would call it "climbing_lane", although I suppose there might be
> such lanes not on hills.  A tag of "slow_vehicle" seems ok, because it
> doesn't imply parallel structure with hgv.

There may be lanes for going down steep hills too - where the grade may lead to vehicle run away if the speed is not kept down.

More information about the Tagging mailing list