AMP: 0 Location: Denison Ave and Williams Ave, Stonington No reassurance shield as CT 27 begins. 27’s first job is to serve the Old Mystic shopping area. AMP: 1 Location: Whitehall Ave and SR 654, Stonington A mile later, we’ll approach I-95 -whose northbound ramp is served by SR 654. AMP: 1 Location: Whitehall Ave … Continue reading Connecticut Route 27, US-1 to I-95/SR 654