Location: M-66 and M-86, St Joseph Cty Reassurance shield as 86 joins 66. Location: M-66 and M-86, St Joseph Cty A couple miles later, M-86 will split. Location: M-66 and M-86, St Joseph Cty Follow 86 west to Centreville and Three Rivers. Stay on 66 south for Sturgis.  S to US-12, N to MI-60  W … Continue reading Michigan Highway 66, MI-86 to MI-86