I-90 east at Exit 189 - Sundance. This is the east end of the Sundance business loop.
I-90 West - Exit 189
I-90/US-14 West at Exit 189 - BL-90/US-14 West/Sundance. US-14 leaves I-90 here and heads northwest to the Devils Tower National Monument. This is the eastern end of the Sundance business loop.