[talk-ph] changes of raod types

maning sambale emmanuel.sambale at gmail.com
Mon Aug 3 10:42:17 BST 2009


Excellent summary eugene!  May I also add,
trunk: pedestrians are usually not allowed to cross (unless on footbridges).

Hope the discussion gets into the conventions page:
http://wiki.openstreetmap.org/wiki/WikiProject_Philippines/Mapping_conventions

On 8/3/09, Eugene Alvin Villar <seav80 at gmail.com> wrote:
> I suggest that the tags for
> highway=trunk,primary,secondary,tertiary,unclassified be considered as a
> function of traffic patterns and not of DOTC designation nor physical
> appearance or condition.
>
> These values should also be considered relative to local traffic patterns.
> This means that levels will be different in an urban and rural setting: a
> trunk in Metro Manila does not have to be equivalent in function to a trunk
> in Nueva Vizcaya.
>
> Here are some descriptive interpretations I might suggest (subject to
> discussion):
>
> trunk (rural) : long-distance route to traverse across provinces
> primary (rural) : mid-distance route to travel between towns in a province
> secondary (rural) : major streets within rural towns
> tertiary (rural) : major streets within areas of rural towns
> unclassified,residential (rural) : other roads in rural towns
>
> trunk (urban) : long-distance route across the metropolis
> primary (urban) : major road within a metropolitan city
> secondary (urban) : mid-level road within a metropolitan city
> tertiary (urban) : minor road in a metropolitan city
> unclassified,residential (urban) : other roads in metropolitan cities
>
>
> I'll admit that I have no fixed idea as to how to tag roads such that
> relative functional importance within Metro Manila (Cebu, Davao) is
> consistent when you get outside Metro Manila (Cebu, Davao).
>
> The problem is that in urban areas, the road density is so high such that
> we
> need to differentiate the roads a lot, whereas in rural areas, the density
> is low.
>
> For Metro Manila, EDSA and *parts* of C-5 are definitely trunk.
> Commonwealth, Quirino (QC) and McArthur Highway are arguably trunk. Quezon
> Avenue-Espana, Aurora-Marcos Highway, Ortigas-Ortigas Ext., Quirino
> (Manila), and Roxas Blvd are not so clear.
>
> What do you guys think?
>
>
> On Mon, Aug 3, 2009 at 10:22 AM, <anthony.balico at neraphil.com.ph> wrote:
>
>>
>> Pardon my ignorance, but how do you classify road types?
>>
>> In the case of Mindanao Ave compared to Quirino Highway, apparently the
>> former is a wider road so i reclassified the.
>>
>>
>> Anthony
>>
>>
>>
>>
>>  From: maning sambale <emmanuel.sambale at gmail.com> To:
>> talk-ph at openstreetmap.org Date: 08/03/2009 10:06 AM Subject: [talk-ph]
>> changes of raod types
>> ------------------------------
>>
>>
>>
>> I'm not objecting but I'm somehow curious about recent
>> reclassifications of several major roads lately:
>>
>> 1.  Portions of Commonwealth from trunk to primary:
>>
>> http://www.openstreetmap.org/?lat=14.66209&lon=121.06976&zoom=15&layers=B000FTF
>>
>> 2. Mindanao Ave from primary to trunk:
>>
>> http://www.openstreetmap.org/?lat=14.67085&lon=121.03234&zoom=15&layers=B000FTF
>>
>> 3.  Some parts of Quirino are either primary or trunk:
>>
>> http://www.openstreetmap.org/?lat=14.69974&lon=121.03273&zoom=15&layers=B000FTF
>>
>> 4.  MacArthur Hiway from primary to trunk:
>>
>> http://www.openstreetmap.org/?lat=14.6755&lon=120.982&zoom=15&layers=B000FTF
>>
>> If we follow this trend, then I think Roxas Blvd should also be trunk as
>> well:
>>
>> http://www.openstreetmap.org/?lat=14.53551&lon=121.00028&zoom=15&layers=B000FTF
>>
>> Which means Metro Manila roads will be a whole lot greener (in the map
>> at least).
>>
>> PS. Apologies for non-manila members
>>
>>
>>
>> --
>> cheers,
>> maning
>> ------------------------------------------------------
>> "Freedom is still the most radical idea of all" -N.Branden
>> wiki: http://esambale.wikispaces.com/
>> blog: http://epsg4253.wordpress.com/
>> ------------------------------------------------------
>>
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>
>
> --
> http://vaes9.codedgraphic.com
>


-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
------------------------------------------------------




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