I-90/US-14 West Onramp
I-90/US-14 West onramp (Exit 10) at west end of Spearfish business loop. Turn left for I-90/US-14 west; straight for US-85 North. The Exit 10 interchange is under construction when this photo was taken.
I-90 East - Exit 10
I-90 East at Exit 10 - BL-90/US-85 North/North Ave./Belle Fourche. US-85 joins I-90 east through Spearfish.
End BL-90 West at I-90
End BL-90 west at I-90/US-14 West/US-85 South Jct. Turn right for I-90/US-14 East/US-85 South.
I-90/US-14 East at US-85
I-90/US-14 East (Exit 10) at US-85. Turn left for US-85 North to Belle Fourche. Turn right for BL-90 to Spearfish.