AMP:  0 Location: S-359 and I-90, Jefferson Cty In less than a mile, we’ll approach Montana 69. AMP: 0 Location: S-359 and MT-69, Jefferson Cty Because people it’s a highway 69, there is no shield signage because it probably kept getting stolen. Turn right for 69 north to Boulder and Helena. Stay straight for 69 … Continue reading Montana Highway 2, I-90 to MT-69/S-359