AMP: 0 Location: Whitehead Hwy and Columbus Blvd, Hartford No signage as the SR 598 Whitehead Highway begins. This was originally intended to be part of Interstate 484, which would have connected to I-84 exit 48- but that was cancelled during the freeway revolts of the 80s. Exit for Columbus Blvd. AMP: 0 Location: Whitehead … Continue reading Connecticut State Road 598, I-91 to Pulaski Cir