AMP: 4 Location: CT 9 and Middlesex Tpk, Essex Reassurance shield after the CT 153/CT 154/SR 621 interchange. AMP: 2 Location: CT 9 and Middlesex Tpk, Essex In a mile, we’ll approach CT 154 a final time – this time it will head southwest into Old Saybrook as CT 9 goes to I-95. AMP: 2 … Continue reading Connecticut Route 9, CT 153/CT 154/SR 621 to CT 154