[Imports] Oahu, Hawaii CDP boundaries

[Brian M. Sperlongano]

Steve,


> To me, it does not seem appropriate that there are any cities in the
> county of Oahu besides the single city of Honolulu


There is the case of Kapolei, tagline "Oahu's second city", complete with a
small compact urban downtown area.  It is already marked (correctly, IMO)
with a place=city node.  It's city status is somewhat aspirational as it's
probably more realistically a suburb of Honolulu, but the nomenclature has
stuck.  I wouldn't give it a boundary because it grew organically and it's
not really clear where Kapolei stops and Ewa starts other that what the
post office has determined!

I think the crux of solving this is answering the question: *IS* Honolulu a
consolidated city-county, or is it just an unincorporated place inside a
county?

I could construct a very reasonable list of arguments for yes and no to
this question.  So, as a thought experiment, here's my list:

*Consolidated City-County*
1. Honolulu County's wikipedia page refers to it as a CCC
2. The county uses "City and County of" in its official name which is
commonly used for CCCs
3. Honolulu regularly appears in lists of US CCCs

*Just a County*
1. Honolulu County's wikipedia page goes on to say "The city–county
includes both the city of Honolulu (the state's capital and largest city)
and the rest of the island of Oʻahu" implying that there are parts of Oahu
that are NOT part of the city therefore paradoxically not a CCC"
2. There are no municipal level entities in Hawaii (consistent with the
admin_level table), therefore it can't be a CCC
3. The post office uses > 20 different place names within the county,
whereas most CCCs have one eponymous place name
4. Locals recognize Honolulu as a city within the county rather than a city
coterminus with a county
5. The city charter does not use the CCC term

There are probably other arguments that could be added.  The problem is
that there really is no good model for comparison here.  I do think as a
pragmatic matter that if someone asked OSM for the list of admin_level=8
entities in Hawaii and came up with nothing, that would at least be
consistent with the understanding that there aren't municipalities in
Hawaii.  Whereas, if that same query came back with the Honolulu County
outline that would look and feel like an unexpected result i.e. "No, I
don't want all of Oahu and these random islands, I want the cities and
towns..."
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