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3RPORT Three Rivers Protection and Overflow Reduction Tunnel

Deep Rock Tunnel ready to protect our rivers

Today, a crowd of neighborhood representatives, river enthusiasts, and City Utilities' staff members joined Mayor Sharon Tucker to cut the ribbon celebrating the culmination of the Deep Rock Tunnel's construction and its operational inauguration.

Video: MamaJo celebration

The City of Fort Wayne announced on June 30, 2021, that the MamaJo Tunnel Boring Machine has almost completed the 3RPORT Three Rivers Protection and Overflow Reduction Tunnel.

MamaJo has reached Foster Park

Today, after pounding through nearly five miles of bedrock over three years, MamaJo, the Tunnel Boring Machine, called it a day.

Where’s MamaJo? – 6/16/2021

MamaJo is rapidly closing in on the finish line of Fort Wayne City Utilities' 3RPORT Three Rivers Protection and Overflow Reduction Tunnel.

Where’s MamaJo?

MamaJo is the hard-working Tunnel Boring Machine that is drilling a tunnel around Fort Wayne called the 3RPORT Three Rivers Protection and Overflow Reduction Tunnel.

MamaJo reaches halfway point

City of Fort Wayne Utilities news release announcing the passing of the halfway point on MamaJo's underground journey.
MamaJo halfway celebration

MamaJo celebrates halfway point

At 3:45 this morning MamaJo pounded through bedrock, hitting the milestone of nearly 2.5 miles between the bridge at Van Buren Street and the Norfolk Southern railroad bridge.
The MamaJo TBM Cutterhead

MamaJo TBM Cutterhead lowered this morning

Construction crews at the working shaft of Fort Wayne's deep rock sewer tunnel lowered the first piece of MamaJo, the Tunnel Boring Machine, into the ground today.

River names combine for TBM moniker – MamaJo

The hardest worker on Fort Wayne’s Deep Rock Tunnel project, at 24-hours a day, will be the Tunnel Boring Machine, which today has been given a name - MamaJo.

Help name the Tunnel Boring Machine

The City of Fort Wayne is asking residents to vote on the new name for our Tunnel Boring Machine.