Comment Comment by dgorges Gotthard TunnelThe Gotthard Base Tunnel (GBT) is a railway tunnel through the Alps in Switzerland expected to open on 2 June 2016.- Length: 35.4 mi- Cost: $10.3 billion- Construction: 1996 - 2016 (est)Bay BridgeThe San Francisco–Oakland Bay Bridge (known locally as the Bay Bridge) is a complex of bridges spanning San Francisco Bay in California.- Length: 4.46 miles- Cost: $6.5 billion- Construction: 2002 - 2013 (est) parent dgorges 11 years ago
The Gotthard Base Tunnel (GBT) is a railway tunnel through the Alps in Switzerland expected to open on 2 June 2016.
- Length: 35.4 mi
- Cost: $10.3 billion
- Construction: 1996 - 2016 (est)
Bay Bridge
The San Francisco–Oakland Bay Bridge (known locally as the Bay Bridge) is a complex of bridges spanning San Francisco Bay in California.
- Length: 4.46 miles
- Cost: $6.5 billion
- Construction: 2002 - 2013 (est)