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Continuing our journey down, at approximately 65 feet, we reach the Clark Lake Subway Station — a vital transportation hub connecting various subway lines. The expansion of Chicago's public transit in the early 20th century made the city more accessible, transforming urban mobility.
Lower Wacker Drive: A Haven for Racing
At depths nearing 75 feet, Lower Wacker Drive emerges as a pivotal system for traffic management, initially meant for utility services. Over time, this underground roadway has gained notoriety for becoming a hotspot for illegal street races and has been featured prominently in Hollywood films.