 After the PA 100 interchange, the freeway widens to six lanes and heads east through industrial areas, coming to a bridge over Norfolk Southern's C&F Secondary railroad line before curving northeast.In the community of Kuhnsville, US 22 splits from I-78 at an eastbound exit and westbound entrance by heading northeast on the Lehigh Valley Thruway.From here, I-78 continues east-southeast as a four-lane freeway, passing residential subdivisions with some commercial development.