AMP: 15 Location: Main St and Madison Rd, Durham A half mile after CT 68, we’ll approach CT 79. AMP: 15 Location: Main St and Madison Rd, Durham Keep left for CT 79 south to Madison. Keep right for 17 south to Durham and CT 77. S to CT 77, N to CT 147 S … Continue reading Connecticut Route 17, CT 68 to CT 79