AMP: 7 Location: Cromwell Ave and Elm St, Rocky Hill Immediately after 160 east joins CT 3, it will prepare to split. AMP: 7 Location: Cromwell Ave and Elm St, Rocky Hill Turn left for 160 east to downtown Rocky Hill. Stay on 3 south for Cromwell. S to SSR 411, N to CT 287 … Continue reading Connecticut Route 3, CT 160 to CT 160