 Following this, PA 33 curves north near commercial development and reaches a diamond interchange with William Penn Highway, with a park and ride lot located at the northwest quadrant of this interchange.The route heads near a mix of residential development and farmland, curving northeast before turning north and coming to a cloverleaf interchange with the US 22 freeway.After the US 22 interchange, the freeway crosses into Lower Nazareth Township and reaches a partial cloverleaf interchange with Hecktown Road.