400
How much dirt was excavated during the construction of the Alameda Corridor?
What is 4 million cubic yards of earth.
The 10-mile trench poured 1 million cubic yards of concrete, reinforced with an additional 150 million pounds of rebar. The trench walls rest on 27,000 concrete pilings and are spanned with 2,200 concrete struts, weighing approximately 50,000 pounds each.