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What are the major tunnels in Missouri?

Exploring the Underground Passageways of the Show-Me State: Major Tunnels in Missouri

Missouri, often referred to as the Show-Me State, is home to a number of significant tunnels that facilitate transportation and showcase engineering feats. While the state may not be known for an extensive network of subterranean passages, the tunnels it does possess are integral to its infrastructure.

The St. Louis MetroLink Tunnels are perhaps the most widely utilized tunnels in Missouri, serving as a backbone for the city’s light rail system. These tunnels allow commuters to travel efficiently through the urban landscape, connecting St. Louis County with the city center and key destinations like the Lambert-St. Louis International Airport.

The Cotter Tunnel, also known as the Tunnel Dam, is a unique structure located in Camden County. This tunnel was constructed for hydroelectric power generation purposes and is an example of Missouri’s innovative approach to combining infrastructure with natural resource management.

The Rocheport Tunnel, found along the Katy Trail near Rocheport, is a historic tunnel that was once part of the Missouri-Kansas-Texas Railroad. Today, it is a popular spot for cyclists and hikers traversing the scenic trail that stretches across the state.


Q: What is the purpose of the MetroLink Tunnels in St. Louis?
A: The MetroLink Tunnels are designed to provide efficient public transportation for commuters in the St. Louis area.

Q: Can the public access the Cotter Tunnel?
A: The Cotter Tunnel is not generally accessible to the public as it is part of a hydroelectric power generation facility.

Q: Is the Rocheport Tunnel still used for railroad transportation?
A: No, the Rocheport Tunnel is no longer used for railroad transportation and is now part of the Katy Trail State Park, open to cyclists and hikers.


Infrastructure: The basic physical and organizational structures and facilities (e.g., buildings, roads, power supplies) needed for the operation of a society or enterprise.
Hydroelectric power generation: The production of electrical power through the use of the gravitational force of falling or flowing water.
Light rail system: A form of urban rail transit that typically operates at a higher capacity and speed than traditional streetcars and trams but is not as fast or as extensive as full-scale railways or metro systems.