LINE Name Country City Regional Rail
7 extension US New York No
CONSTRUCTION DETAILS Start year End year Length (in km) Tunnel (in km) Tunnel Stations Source
2007 2014 1.6 1.6 100% 1 Measured
COST INFORMATION Cost (in M) Currency PPP rate Year PPP Real cost (in M$) Cost/km (in M$) Source
2400.0* USD 1.0 2011 2400.0 1500.0 Plan
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.
* Many sources say $2.1 billion, which is ex ante, see e.g. mention of the cost overrun at
Go to New York city page.