Why Is Tunnel Boring So Expensive?

One reason tunnel digging in the US is so pricey is that labor costs there are much higher than in most other parts of the world.

Is tunnel Boring expensive?

“Currently, tunnels are really expensive to dig, with many projects costing between $100 million and $1 billion per mile,” Boring says on its website. “In order to make vast tunnel networks feasible, tunneling costs must be reduced by a factor of more than 10, with Boring Co.

How much does a tunnel boring machine cost?

The machine itself cost $80 million and is owned by Seattle Tunnel Partners, the project contractors.