 In the eastern part of Groton, I-95 interchanges with Route 117, leading south to the village of Noank and north to the town of Ledyard.From here, the freeway passes a northbound scenic overlook, and crosses the Mystic River.Upon crossing the Mystic River, the road enters the town of Stonington, where it comes to an interchange with Route 27 within the village of Mystic, that provides access to Mystic Seaport as well as the Olde Mistick Village shopping mall and the Mystic Aquarium located at the southeastern corner of the interchange.