The route continues east as two-lane undivided Sterrettania Road through a mix of farmland and woodland with some homes, paralleling I-90. The route enters McKean Township and passes through Sterrettania before turning to the northeast and interchanging with I-90 at exit 18.
The route runs eastward along Sterrettania Road, which passes through a mix of agricultural and wooded areas, alongside Interstate 90, before entering McKean Township and passing through the town of Sterrettania, where it intersects with I-90 at exit 18.