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Mosites Construction Company (Pittsburgh, PA)
– Roadway and Ramp Construction

Mosites’ work included the construction of concrete and steel bridge structures and substructures, retaining walls, concrete and asphalt roadway, and foundations. Mosites installed utilities, traffic signals, landscaping and lighting. The company also constructed the 160-space park and ride lot, sidewalk, ADA-ramp and stairway.

Bruce & Merrilees Electric (New Castle, PA)
- Design, Build, Operate, Maintain Traffic and Tunnel Operating Systems

Bruce & Merrilees Electric’s work included installing HOV signage (static and changeable message boards), gates, traffic operations center, hardware, software, communications equipment, closed circuit television, and system commissioning and testing. They will operate and maintain the Wabash HOV for two years. This was the first contract ever entered into by the Authority that involves designing, building, operating and maintaining a Port Authority facility.

Construction Photos Construction Features
  • Project length: 5,500 feet (1.1 mile)


  • Wabash Tunnel length: 3,650 feet


  • Speed limit: 25 MPH; 15 MPH along ramp curves


  • Parking lot spaces: 160; six spaces are designated for persons with disabilities

  • More than two million pounds of steel were used during construction


  • More than 6,000 cubic yards of concrete were used along the ramps, roadway, parking lot, sidewalk and in the Wabash Tunnel

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