Open source · DPWH infrastructure · Sentinel-2
Construction,from space.
Completed DPWH projects across the Philippines, mapped from public data and checked against free Sentinel-2 imagery for visible construction. Where the satellite sees it the map says so; where it does not, it says that too, a record of what is visible from space, never a claim about any project. Open source: clone it, point it at any country.
Projects Mapped
Source: DPWH
Contract Value
Public record
No Construction Visible
Not seen from space
Regions Covered
Nationwide
Public project records
Every DPWH contract (location, budget, status, completion date), straight from the public transparency dataset.
Satellite change detection
NDBI, NDVI, and BSI change between before and after Sentinel-2 composites over each completed project site.
Present or absent
Each completed site reads as construction visible or not visible at 10m, a prompt to look closer, never proof of wrongdoing.
Satellite reads are automated change-detection on free 10m Sentinel-2 imagery and can be wrong: small or narrow structures, projects completed outside the imagery window, and persistent cloud cover are common reasons a genuinely built project shows little visible change. A flagged project is a prompt for review, never proof of wrongdoing. Every case needs ground-truth investigation before any conclusion is drawn. All figures are from the public DPWH record.