The African Development Corridors published by Thorn, J.P.R., Bignoli, D.J., Mwangi, B. et al. The African Development Corridors Database: a new tool to assess the impacts of infrastructure investments. Sci Data 9, 679 (2022). https://doi.org/10.1038/s41597-022-01771-y have been buffered according to the level of intervention (Major road: 15 km, Passenger and freight railway: 10 km, Railway: 5 km, Pipeline: 2,5km). Data obtained was intersected with the country boundaries and with protected areas (WDPA, February 2023 version) obtaining the percentage of PA coverage of corridors in each country.