Connecticut State Route 372 is an east-west highway in the extreme northern portion of Middlesex County. CT St Rt 372 passes through the following town in Middlesex County. Cromwell CT St Rt 372 is not multi-plexed in Middlesex County. CT St Rt 372 intersects the following highways in Middlesex County. Connecticut State Route 99, near Cromwell. Connecticut State Route 9, near Cromwell. Connecticut State Route 3, near Cromwell. Connecticut State Route 217, near Cromwell. Interstate 91, near Cromwell.
