Planned Line 2 of Bogotá will be underground according to feasibility study. It will have 11 or 12 stations ending in Fontanar del Río, Suba. This was announced by mayor Claudia López on Monday, March 15 as written in Semana.

Tunnel Boring Machine (TBM) excavation will be used.

https://www.semana.com/economia/inversionistas/articulo/segunda-linea-del-metro-sera-subterranea-claudia-lopez/202151/