Local News Massive Machine Comes Together To Build Port Tunnel September 1, 2011 / 3:11 PM EDT / CBS News Port Tunnel Boring Machine 2 Port Tunnel Boring Machine 3 Port Tunnel Boring Machine 4 Port Tunnel Boring Machine 5 Port Tunnel Boring Machine 6 Port Tunnel Boring Machine 7 Port Tunnel Boring Machine 8 Port Tunnel Boring Machine 9 Port Tunnel Boring Machine 10 Port Tunnel Boring Machine 11 Port Tunnel Boring Machine 12 Port Tunnel Boring Machine 13 Port Tunnel Boring Machine 14 Port Tunnel Boring Machine 15