Wikimedi'Òc

Tunnel Hill.jpg - Dschwen

La Salle St. tunnel, Chicago, from Robert N. Dennis collection of stereoscopic views.png - Dcoetzee

Washington Street tunnel, east entrance, by P. B. Greene.png - Dcoetzee

Museum Campus, Chicago.jpg - DS1953

History of Tazewell county, Illinois; together with sketches of its cities, villages and townships, educational, religious, civil, military, and political history; portraits of prominent persons and (14598252217).jpg - Fæ

19680412 23 south on LaSalle St. from Kinzie St. (5575890284).jpg - Victorgrigas

To Lower Wacker (8488533068).jpg - SecretName101

US51 North - Cairo Gate and Rail Tunnel.jpg - Infrogmation

A bridge tunnel leads to the Campground Church and Cemetery Site in Union County, Illinois (ae6637d4-c9d3-47b6-a724-0b17af0cf440).JPG - BMacZeroBot

A bridge and tunnel at the Campground Church and Cemetery Site in Union County, Illinois (255ccca1-0237-44eb-8241-88a6140532f3).JPG - BMacZeroBot