AMP: 0 Location: Lincoln Rd and Montana Ave, Lewis & Clark Cty Reassurance shield after S-229/old US-91/Montana Avenue. AMP: 2 Location: Lincoln Rd and Green Meadow Dr, Lewis & Clark Cty A mile and a half later, we’ll approach S-231/Green Meadow Dr. Turn left to follow that back down toward Helena.  N to MT-200, S to I-15/US-287/S-453  S … Continue reading Montana Secondary Highway 279, S-229 to S-231