[HomrQT]

Originally Posted by BVictor1

That, and there's an old tunnel that goes under the river at Washington Street.

https://chicagology.com/prefire/prefire087/

Originally Posted by left of center

There are tunnels under Van Buren and LaSalle too, and they were all used for street cars back in the day IIRC. The LaSalle and Washington tunnels were older through, and were used for horse drawn carriages and pedestrians before the advent of the streetcar.

The LaSalle St tunnel was filled in and blocked off by the blue line under Lake St, but I believe that the Washington and Van Buren tunnels still remain, with their entrances sealed up. Would be neat if they could find a use for them again.

Damn this city is so cool. I agree it would be neat to put the tunnels back to use somehow.