Patna Metro will be underground for most of the state capital, about 150 feet below surface on average.
https://www.nyoooz.com/news/patna/1593882/patna-metro-will-pass-through-18-km-tunnel-will-be-elevated-in-14-km-route/
The tunnel will start from Gola Road, which will connect Patliputra station, Patna Junction via Bailey Road. The height of the elevated track will average 13 meters and the tunnel will be 150 feet below the surface.
https://www.nyoooz.com/news/patna/1593882/patna-metro-will-pass-through-18-km-tunnel-will-be-elevated-in-14-km-route/
Patna Metro will pass through 18 km tunnel, will be elevated in 14 km route | Patna NYOOOZ
www.nyoooz.comThe tunnel will start from Gola Road, which will connect Patliputra station, Patna Junction via Bailey Road. The height of the elevated track will average 13 meters and the tunnel will be 150 feet below the surface.