Tunnel Under the River? Sure, Why Not?

 

The early leaders of Chicago took on their Civil Engineering challenges with gusto, raising the city 6-10’ to alllow installation of a sewer system in the 1860-70s and digging a vast network of tunnels under downtown streets to move goods between buildings and businesses more efficiently by avoiding gridlocked city traffic.

But wait, there’s more.

They also drilled tunnels under the Chicago River to relieve traffic issues when the drawbridges were up, which was often.



The tunnels proved ineffective and were eventually closed due to how steep and dark they were, but the fact that they tried it at all tells us a lot. 

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