01-25-2017, 11:57 AM
(01-24-2017, 02:39 PM)KevinL Wrote: A TBM? Amazing! Any idea of the diameter of the bore?
I am speculating on the TBM... either way, I'm confidant the shafts are for new services to run under the expressway. Another method they could use... in simple terms... is to ram the new lines through the dirt to the other side.