Potters Mills Gap - New Expressway and Interchange
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This project in central Pennsylvania involves improvements to a 3.75-mile section of US Route 322 that will widen the existing two-lane roadway into a four-lane expressway. The overall project includes two new interchanges, five bridges, and 5,000 to 6,000 feet of retaining walls to support the widened highway.

Erdman Anthony's role as a major subconsultant on the project team is to provide design services for the westernmost interchange, which connects to Route 144 and the local roadway network. The diamond interchange includes a new 135-foot-long single-span bridge, a new 1,700-foot-long retaining wall, 1.5 miles of new or reconstructed local roadways, and a new roundabout at the westbound ramp intersection.

Erdman Anthony also provided field survey and right-of-way plan development for the entire corridor.



Robert Leonard, PE
PROJECT CONTACT:
Robert Leonard, PE
 717-766-1741 x 5006