A $13.1 million rehabilitation of the Armstrong Tunnel in Pittsburgh is currently underway. The project marks another significant chapter in the story of the tunnel, which has provided a vital link between Second Avenue and Forbes Avenue since it opened in 1927. To learn more about the tunnel’s history, watch our video at: https://youtu.be/6c0ahgzzwEM For information about the rehabilitation project, visit https://arcg.is/1nOP5y | Allegheny County Government
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After 97 years of wear and tear, the Armstrong Tunnel portals needed a good cleaning, and that’s exactly what they got. Over the past few months, crews have been wet-blasting the north and south entrances/exits to the tunnel. That involved using high-pressure water with abrasive particles to remove almost a century’s worth of soot and grime. Architect Stanley L. Roush designed the portals. In addition to numerous bridges throughout the region, Roush also designed the County Office Building, Corl
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