LINE Name Country City Regional Rail
Northern Line Extension UK London No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2015 2021 3.2 3.2 100% 2 Media
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
1200.0 GBP 1.47 2017 1764.0 551.2 Media
REFERENCE http://www.cityam.com/257486/full-steam-ahead-tunnelling-12bn-northern-line-extension
NOTES Sections of the line constructed in trench are represented with the same line style as the at-grade sections.
The project maps are based on information retrieved from OpenStreetMap and our research. Please contact us if you have more accurate information regarding this project.