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

[Eugene Alvin Villar]

HI Jherome,

I forgot to add, I think we should also include tagging the official legal
classifications of roads using the "designation" key:
https://wiki.openstreetmap.org/wiki/Key:designation

I think we can have the following values: "expressway", "national",
"provincial", "city", "municipal", and "barangay". We might also need to
break down the "national" value into "national_primary",
"national_secondary", and "national_tertiary" following the DPWH classes.

~Eugene

On Sun, May 16, 2021 at 5:02 AM Jherome Miguel <jheromemiguel at gmail.com>
wrote:

> 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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