AMP: 54 Location: Enfield St and Connecticut Ave, Enfield Welcome to Connecticut! The Constitution State is the third and final state on US 5’s journey from Canada. AMP: 54 Location: Enfield St and Bright Meadow Blvd, Enfield As we enter Enfield we’ll approach I-91. AMP: 54 Location: Enfield St and I-91, Enfield Stay straight at … Continue reading U.S. Route 5, MA State Line to I-91