I am not sure how land ownership typically works - it seems that governments anywhere pretty much have to own a large chunk of the land to bore tunnels, build t

I am not sure how land ownership typically works - it seems that governments anywhere pretty much have to own a large chunk of the land to bore tunnels, build the station proper, accommodate parking, onramps, roads, pickup zones, etc. E.g., how did BART pick the location for San Jose Beryessa extension?