How much did Gotthard Base Tunnel cost to build?
The Gotthard Base Tunnel is the 57.1 km twin-bore railway tunnel through the Alps in Switzerland, the longest railway tunnel in the world, the central part of the New Rail Link through the Alps (NRLA), built over 17 years from 1999 and opened on 1 June 2016. The Swiss government's About Switzerland portal states a total cost of 12.2 billion Swiss francs, which RailwayPRO describes as nearly double the initial estimates of 1998.
Final project cost
CHF 12.2 billion
Approximately $12.38 billion
Cost basis: 2016
Cost evidence
Basis of the published figure
Project metrics
Key dimensions
- Total lengthAbout Switzerland
- 57.1 km
Project record
Opened or launched
RailwayPRO1 June 2016