AMP: 9 Location: Marlborough St and Gospel Ln, Portland Reassurance shield as 17 joins 66. 66 is the primary route here – as old US 6A. AMP: 8 Location: Marlborough St and Main St, Portland Speaking of As – about a mile later we’ll approach CT 17A. AMP: 8 Location: Marlborough St and Main St, … Continue reading Connecticut Route 17, CT 66 to CT 17A