Liberty TunnelPittsburgh, PA

Penndot tunnel project

Project Overview

Sargent has worked with local contractors and the Pennsylvania Department of Transportation to perform various upgrades and modifications to the Liberty Tunnel.

Sargent removed, modified, and reinstalled the entire lighting system in both tunnels, approximately 1,600 luminaries. Our team also installed new communication systems located at the North and South Portal buildings. Approximately 7,000’ of new 48F fiber optic cable was installed and integrated into the existing traffic control systems at each tunnel end, including fusion splicing and OTDR testing of all fibers. Numerous supporting electric activities were performed within each tunnel.

Project Solutions

  • Installation of 1,600 luminaries
  • Installation of 7,000 new 48F fiber optic cable
Liberty Tunnel
Liberty Tunnel
Full tower

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