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Aerial view of Phase II of the McCook Reservoir under construction in 2023. The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting ...
The Chicago flood occurred on April 13, 1992, when repair work on a bridge spanning the Chicago River damaged the wall of an abandoned and disused utility tunnel beneath the river. The resulting breach flooded basements, facilities and the underground Chicago Pedway throughout the Chicago Loop with an estimated 250 million US gallons (1,000,000 ...
Chicago Pedway map (unofficial) as of 2024; Chicago Detours: Current as of 2025, a user friendly, free downloadable pdf Pedway Map; Chicago Pedway map and legend at City of Chicago as a PDF document (2013) Chicago Pedway maps made with 2010 (edited 2011) City of Chicago data and Pedway segment information at wvaughan.org
Downtown buildings are sinking. The good news is that it’s happening slowly. Tribune reporters Adriana Perez and Rebecca Johnson spoke with experts on the cause (underground climate change), the ...
Subterranean temperatures in Chicago’s downtown are likely not as high as they might be in more densely urbanized areas with bigger underground transportation systems such as London and New York ...
Downtown Chicago, Illinois, has some double-decked and a few triple-decked streets immediately north and south of the Main Branch and immediately east of the South Branch of the Chicago River. The most famous and longest of these is Wacker Drive, which replaced the South Water Street Market upon its 1926 completion. [1]
The Chicago Tunnel Company was the builder and operator of a 2 ft (610 mm) narrow-gauge railway freight tunnel network under downtown Chicago, Illinois. This was regulated by the Interstate Commerce Commission as an interurban even though it operated entirely under central Chicago, did not carry passengers, and was entirely underground. [ 1 ]
Chicago's address system has been standardized as beginning at the intersection of State and Madison Streets since September 1, 1909. [75] Prior to that time, Chicago's street system was a hodgepodge of various systems which had resulted from the different municipalities that Chicago annexed in the late 19th century. [75]