Tunnels
- New York City Water Tunnel No. 1 completed 1917
- New York City Water Tunnel No. 2 completed 1936
- New York City Water Tunnel No. 3 began 1970, estimated completion in 2020
Read more about this topic: New York City Water Tunnel No. 3
Tunnels
Read more about this topic: New York City Water Tunnel No. 3