AMP: 0 Location: Nunnawauk Rd and SSR 490, Newtown SSR 490 begins at the entrance to the Garner Correctional Institution. AMP: 0 Location: Nunnawauk Rd and Wasserman Way, Newtown A half mile later, we’ll approach SR 860. Turn left for 860 west into downtown Newtown. Turn right to stay on SSR 490 to I-84 and … Continue reading Connecticut Special Service Road 490, Garner Correctional Institution to SR 860