Courthouse Commons Tunnel

Courthouse Commons Tunnel is an inmate transfer tunnel between the county jail and the state courthouse.

The tunnel is 330 linear feet long, with a 25-foot diameter. Reinforced by drilled steel piles and lagging, the transfer shaft is 18 feet wide, 50 feet long, and 58 feet deep. Additional scope of work includes renovations to the county jail basement and the installation of new elevators; security and mechanical, electrical, and plumbing (MEP) systems; and detention-style ceilings.