Why did the city of Chicago build the deep tunnel?
Why did the city of Chicago build the deep tunnel? TARP, also known as “Deep Tunnel,” is a system of deep, large diameter tunnels and vast reservoirs designed to reduce flooding, improve water quality in Chicago area waterways and protect Lake Michigan from pollution caused by sewer overflows.
Is there a tunnel under the White House?
The White House to Treasury Building tunnel is a 761-foot (232 m) subterranean structure in Washington, D.C. that connects a sub-basement of the East Wing of the White House to the areaway which surrounds the United States Treasury Building.
What is the largest tunnel project in the world?
The Fehmarnbelt Tunnel will be the longest combined rail and road tunnel anywhere in the world when it is completed in 2029. This €10 billion project - which crosses a stretch of the Baltic Sea known as the Fehmarn Belt - will connect Rødbyhavn on the Danish island of Lolland and Puttgarden in northern Germany.