[talk-ph] Your final say on the proposed road classification scheme

[Jherome Miguel]

Hi, everyone,

It's been a month since the last discussion on road classifications, that
time regarding special considerations for major roads within certain
islands as well as missing road links and bypass/diversion roads under
construction. Now, I'll be presenting the final version of the proposal at
https://wiki.openstreetmap.org/wiki/Philippines/Mapping_conventions/Roads/Classification
.

Summary of the proposed guidelines:
- Motorway = Expressways (HSH-1 standard)
- Trunk = highways between large cities; HSH-2 expressways (none existing
yet). In large urban areas composed of many large cities like Manila or
Cebu, should be applied sparingly and limited to primary through routes
across the area that are not expressways and connect with longer trunk
routes. Trunk routes should generally be moved to bypasses where they exist.
- Primary = highways between small cities, large municipalities and
provincial capitals that are neither cities or large municipalities; major
arterials in urban context.
- Secondary = highways between medium-sized municipalities; minor arterials
in urban context.
- Tertiary = roads between small municipalities and most barangays;
collector roads in urban context.
- Unclassified = other local roads that are not residential in nature;
other smaller roads connecting sitios and puroks in rural areas
- Residential = residential streets
- Track = farm or forestry tracks
- Service = driveways, parking lot roads, alleys, emergency median openings
on expressways

Some factors that can affect choice of classification are:

- administrative designation
- connectivity
- existing network topology (particularly relevant in small islands where
there are few major roads)
- function (expressway, major/minor arterial, collector, local)
- physical qualities (no. of lanes, shoulders, road width, presence of
median/center island)
- sizes of settlements served

I want anyone's final say here before we can adopt them as guidelines in
our main mapping convention page.
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