AMP: 17 Location: S-343 and Miners’ Coulee Rd, Toole Cty No reassurance shield after the 552 junction. AMP: 0 Location: S-343 and I-15, Toole Cty A few miles later, we’ll approach Interstate 15. AMP: 0 Location: S-343 and I-15, Toole Cty Follow I-15 north towards Lethbridge, Alta. Take I-15 south to Great Falls. Stay straight through the interchange … Continue reading Montana Secondary Highway 343, S-552 to I-15/S-215