In southern Mindanao there are a number of highways which have
duplicated ways, but often with different highway classifications (for
example one way being marked as trunk, the other as primary).
As an indication of where they are see here
The weekly round-up of OSM news, issue # 375,
is now available online in English, giving as always a summary of all things
happening in the openstreetmap world:
http://www.weeklyosm.eu/en/archives/9500/
Enjoy!
weeklyOSM?
who?: https://wiki.openstreetmap.org/wiki/WeeklyOSM#Available_Languages