AMP: 2 Location: Westcott Rd and N Frontage Rd, Killingly Just after 6 west traffic merges on, you can turn left here onto SR 618 to get back on US 6. Alternatively, stay straight for SR 607 west. SR 607 W to I-395/SR 619, E to S Frontage Rd SR 618 W to US-6 W … Continue reading Connecticut State Road 607, US-6 to SR 618