AMP: 199 Location: I-90 and WYO 111, Crook Cty Reassurance shield after the WYO 111 junction AMP: 206 Location: I-90 and Crook CR 129, Crook Cty Reassurance shield after the Beulah exit AMP: 207 Location: I-90 at the South Dakota Line, Crook Cty Welcome to South Dakota! E to US-85, W to I-90 Bus/US-14 W … Continue reading Interstate 90, WYO 111 to SD State Line