AMP: 0
Location: London Rd and North St, Hebron
No signage as SR 603 begins.
AMP: 1
Location: Boston Hill Rd and East St, Andover
A mile later, we’ll enter Andover.
AMP: 3
Location: Boston Hill Rd and Hebron Rd, Andover
Two miles later, we’ll come to an unmarked junction with CT 316 in Andover. Turn left for 316 north and right for 316 south. SR 603 ends.
