Transportation
Central Metro Tunnel
12.4 miles of twin-bore transit tunnel beneath downtown Chicago. Three underground stations, each designed as public architecture - not just functional spaces.
Client Metro Transit Authority
Location Chicago, IL
Year 2024
Value $4.2B
The Central Metro Tunnel project extends Chicago’s transit network deep beneath the city center, connecting three previously isolated neighborhoods to the downtown core. Twin tunnel boring machines operated simultaneously for 28 months.