AMP: 0 Location: Westbrook Rd and Plains Rd, Essex Follow SR 604 up to downtown Centerbrook, on the way to Ivoryton. AMP: 0 Location: Westbrook Rd and Main St, Centerbrook, Essex As we enter Centerbrook .8 miles later, we’ll approach SR 602, which connects to CT 154. AMP: 0 Location: Westbrook Rd and Main St, … Continue reading Connecticut State Road 604, CT 153 to SR 602