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San Bernardino Arrowhead Tunnels Project
Project Information
- Project Location:
- San Bernardino, CA
- Status:
- Completed
- Structure Type:
- Tunnel
Scope Of Work
Two 19-foot diameter tunnels were excavated to support a key segment of the Metropolitan Water District of Southern California's Inland Feeder. The tunnel boring' machine (TBM) took more than four years to bore its way through the San Bernardino Mountains, but the project still came in nearly a year ahead of schedule.
