| 
| 
TBM Bumblebee breaks through in 4-mile MSD tunnel under Louisville
https://www.youtube.com/watch?v=0VL2FJpMYrE
TBM Bumblebee in honor of Muhammad Ali, completes the bore of the 4-mile tunnel for the MSD’s Waterway Protection Tunnel.
https://www.wave3.com/2020/09/29/mile-msd-tunnel-project-makes-major-breakthrough/
cover tunnel photo by: Matt Brown from London, England / CC BY
.jpg){kind=link}
Copyright 2019-2024 TunnelContact.com
https://www.wave3.com/2020/09/29/mile-msd-tunnel-project-makes-major-breakthrough/
4-mile MSD tunnel project makes major ‘breakthrough’
www.wave3.comA 900,000-pound tunnel boring machine, named “Bumblebee” in honor of Muhammad Ali, finally finished its 4-mile journey 200 feet underground.