← Back to context Comment by yborg 8 years ago Chicago metro Deep Tunnel : $3Bhttps://en.wikipedia.org/wiki/Tunnel_and_Reservoir_Plan 1 comment yborg Reply akgerber 8 years ago Milwaukee, at well under 1/20th the size of Tokyo, spent $1B on a similar system: https://deeptunnelmke.com/impact/cost/
akgerber 8 years ago Milwaukee, at well under 1/20th the size of Tokyo, spent $1B on a similar system: https://deeptunnelmke.com/impact/cost/
Milwaukee, at well under 1/20th the size of Tokyo, spent $1B on a similar system: https://deeptunnelmke.com/impact/cost/