AMP: 29 Location: I-91 and West St, Rocky Hill Reassurance shield after the SSR 411 interchange. AMP: 29 Location: I-91 and CT 9, Rocky Hill In a mile we’ll approach CT 9, which is a freeway from Old Saybrook to Farmington. AMP: 28 Location: I-91 and CT 9, Rocky Hill Exit in a half mile … Continue reading Interstate 91, SSR 411 to CT 9