AMP: 187
Location: I-90 and WYO 585, Crook Cty
Reassurance shield after the WYO 585 junction
AMP: 189
Location: I-90 and I-90 Business, Crook Cty
Exit at Exit 189 when the light flashes
AMP: 189
Location: I-90 and I-90 Business, Sundance
Exit 189 is also the east end of I-90 business. US-14 east will join as well, this time sticking with I-90 clear to Wall, South Dakota
E to WYO 111, W to I-90 Bus/US-14
N to I-90 Bus/US-14, S to US-85