Location: MT-21 and US-287, Lewis & Clark Cty
No reassurance shield as Montana 21 begins. 21 is an MDT-maintained off-system highway, so doesn’t get mileposts.
Location: MT-21 and Skyline Rd, Lewis & Clark Cty
Reassurance shield several miles later as we near the Cascade County line.
Location: MT-21 and MT-200, Cascade Cty
Shortly after that, we’ll approach Montana 200.
Location: MT-21 and MT-200, Cascade Cty
Turn left for 200 east and right for 200 west.
Location: MT-21 and MT-200, Cascade Cty
Follow 200 east to Great Falls and 200 west to Lincoln. 21 ends.