5 Subsea Tunnels

Updated: February 5, 2026 (Originally published August 3, 2010)

The Chesapeake Bay Bridge-Tunnel

• Crosses: Chesapeake Bay
• Length: Two one mile long (1.6 km) tunnels. Length Toll Plaza to Toll Plaza: 20 miles
• Connects: Eastern Shore of Virginia with Hampton Roads, Virginia.
• Opened: April, 1964.
• Cost: $200 million North Bound ,$250 million South Bound.

The Drogden Tunnel

• Crosses: the Oresund strait.
• Length: 4,050 m (13,287 ft)
• Connects: The Danish capital of Copenhagen and the Swedish city of Malmö.
• Opened: Summer 2000.
• Cost: DKK 30.1 billion entire Øresund connection construction

The Channel Tunnel (The Chunnel)

• Crosses: the English Channel at the Strait of Dover.
• Length: 50.5-kilometre (31.4 mi)
• Connects: Dover in the United Kingdom with Coquelles, Pas-de-Calais near Calais in northern France.
• Opened: May 6, 1994.
• Cost: $15 billion to build.

The Seikan Tunnel

• Crosses: the Tsugaru Strait.
• Length: 23.3-kilometre (14.5 mi)
• Connects: the Japanese island of HonshÅ« and the island of Hokkaidō.
• Opened: March 13, 1988.
• Cost: ¥538.4 billion (US$3.6 billion)

The Lincoln Tunnel

• Crosses: the Hudson River.
• Length: 1.5-miles long (2.4 km)
• Connects: Weehawken, New Jersey and the borough of Manhattan in New York City.
• Opened: December 22, 1937.
• Cost: $85,000,000

Drogden Tunnel – Photos & Info

Drogden Tunnel.

Moving the tunnel into place

Drogden Tunnel layout.

The Seikan Tunnel – Photos & Info

The Seikan Tunnel Graph.

Entrance to the Seikan Tunnel.

Map of the Seikan Tunnel.

View from inside the Seikan Tunnel.

Building the Seikan Tunnel.

Channel Tunnel (Chunnel) – Photos & Info

View of the Strait of Dover.

Geological profile of the Chunnel.

Chunnel Outline

Lincoln Tunnel – Photos

Hudson River.

View from inside the Lincoln tunnel in New York

The Building of the Lincoln tunnel

Chesapeake Bay Bridge-Tunnel – Photos & Info

Ship passing over the Chesapeake Bay Tunnel

Chesapeake Bay Bridge-Tunnel Graph

Chesapeake Bay Bridge-Tunnel Aerial Photo

Proposed Bridge-Tunnels

• Bering Strait crossing
• Strait of Sicily Tunnel
• Saudi-Egypt Causeway
• Bridge of the Horns
• Sakhalin Tunnel
• Sakhalin-Hokkaido Tunnel
• Gibraltar Bridge
• Hong Kong-Zhuhai-Macau Bridge

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