AMP: 9
Location: Canyon Ferry Rd and S-284, Lewis and Clark Cty
Reassurance shield at the beginning of S-284
AMP: 4
Location: Canyon Ferry Rd and Lake Helena Dr, Lewis and Clark Cty
Reassurance shield about halfway to Helena
AMP: 2
Location: Canyon Ferry Rd and Wylie Dr, Lewis and Clark Cty
Reassurance shield a couple miles later
AMP: 1
Location: Canyon Ferry Rd and Airport Rd, Helena
A mile or so later, we’ll enter Helena
AMP: 0
Location: Canyon Ferry Rd and York Rd, Helena
As we approach S-280, turn right for York via S-280. Stay straight to follow a local road into Helena.
AMP: 0
Location: Canyon Ferry Rd and York Rd, Helena
Turn right for York Rd/S-280 to York. The road is locally maintained but is formally S-280 for about a half mile. S-430 ends here and the road continues into Helena.
