On 02-11-16 19:33, Hubert87 wrote:
Hi,
I think you should consider the access rights (access=no, bus=yes) and
the road classification (highway=service/unclassified) as two separate
things.
First, I'm not proposing something new, I'm proposing to formalize (by
documenting on the wiki) a practice that is already widespread, namely
to tag busways as highway=service.
Worldwide there seems to be a very large preference of highway=service
for busways over highway=unclassified.
From taginfo:
highway=service + bus=yes = 16040
highway=service + psv=yes = 35658
highway=unclassified + bus=yes = 1535
highway=unclassified + psv=yes = 5707
Those are not small numbers.
Highway=service in any kind of busway appears to be over 7 times as
abundant as highway=unclassified, even if this is an undocumented in the
wiki. Apparently it "feels natural" to more people to tag busways as
highway=service.
Ask yourself what kind of highway-tag you would use, if the road was not
limited to buses only.
In the cases I can imagine the roads themselves are usually very
specifically designed for bus use only: very hard pavement (often
concrete instead of asphalt) no hard shoulders, no guardrails, lanes
narrower than public roads for this speed. All meant to be driven only
by professional drivers. So the point of "imagining the road not being
limited to buses only" is moot; the road wouldn't exist if it weren't
for buses.
Also, did you consider using "bus/ptv=designated" instead of bus=yes?
Nope.
a) what is ptv? Typo of psv?
b) I personally haven't used designated a lot. Looking at the above use
cases, they aren't used a lot worldwide, which is not an excuse to not
start using them. Thanks for introducing me to the tag!
P.S.:
(btw, for clarification: last time I checked, "unclassified" isn't used
were one can't classify a road - that's what highway=road is for
I am fully aware of that.
But, your explanation if highway=unclassified needing to connect to at
least one tertiary makes the following case contradictionary:
http://www.openstreetmap.org/way/53672494 is now mistagged as
residential. It is a busway, sandwiched between two true residential
roads. The only non-service road type that would apply here is
unclassified, yet it can't be that one as being only connected to
residentials :-)
Tijmen / IIVQ
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