 Farther north, the freeway comes to an interchange connecting to Columbus Boulevard and Washington Avenue, where it briefly narrows to seven lanes, with three northbound lanes and four southbound lanes, and returns to ground level.Following this, I-95 becomes eight lanes again and passes through the eastern part of Center City Philadelphia.The freeway heads to the west of Penn's Landing along the Delaware River, where it lowers to a depressed level and passes through two short tunnels.