I-95 Darien NB Service Plaza is a busy yet reliable stop for travelers on the northbound side of I-95 in Connecticut. It offers a variety of food options, including Subway, Sbarro, Chipotle, Panera, and McDonald's, though prices at McDonald's can be quite high. The dining area is spacious, clean, and bright, making it a comfortable place to eat. While the bathrooms are generally clean, they can get crowded, with occasional maintenance taking one out of service. Overall, it provides a convenient and pleasant experience for those on the road.