I have been tracing roads around Baguio City for the past weeks. The data came from some of my traces and high-res imagery. The tracing from high-res imagery were tagged as highway:road and a FIXME note.
By my rough estimate, this covers more than 50% of the roads already. However, most roads have no names and the appropriate highway type. Tracing can only go this far if local knowledge is limited.
The only way the data becomes useful (around this area) is when locals start adding and improving the data. Community is much more important than any data import.
Still, I hope my contributions would provide local mappers a good canvas to start adding the details.
I hope the data becomes useful by summer of 2010 when tourist start climbing this popular summer getaway.