On 12/09/18 21:44, Greg Troxel wrote:
Dave Swarthout <daveswarth...@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.
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