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. E to CT 99, W to US-5/CT 15 … Continue reading Connecticut Route 160, CT 3 to CT 3