AMP: 7 Location: Montana Ave and Lincoln Rd, Lewis and Clark Cty No reassurance shield at the beginning of 229, which is unsigned. AMP: 4 Location: Montana Ave and Wolf Rd, Helena A couple miles later, we’ll enter Helena AMP: 1 Location: Montana Ave and Custer Ave, Helena At Custer, turn left to head to I-15 AMP: 0 Location: … Continue reading Montana Secondary Highway 229, S-279 to I-15 Bus