Route 66 "Begin" Sign

The sign is located at 99 E Adam St. (NW corner with Michigan Ave.), another s

ign is on the south side of the street, halfway down the block.

The image below shows the signs marking the eastern starting point of Route 66 in Chicago (there are two signs, marked with the red arrows), the Sears Building in the background.

Info taken from www.theroute-66.com