
I-90 West at I-94 East - Yellowstone County
I-90 West at Exit 456 - I-94 East/Bismarck (North Dakota). Continue west on I-90 for Billings. This is the western terminus of I-94.

I-90 West - Exit 456
I-90 west approaching Exit 456 - I-94 East/Bismarck (North Dakota). Continue west on I-90 for Billings.

I-90 East Exit 456
I-90 east at Exit 456, I-94 East/Bismarck. I-94 continues east on same roadway, I-90 takes a right exit.

I-90 East - Exit 456 - I-94 Jct.
I-90 east at Exit 456 - I-94 East/Bismarck (North Dakota). Merge right to continue east on I-90 to Sheridan (Wyoming). This is the beginning of I-94. The eastern end of I-94 is the Canadian border at Port Huron, Michigan.

End I-94 West at I-90
End I-94 west at Exit 0, I-90 East/Sheridan, I-90 West/Billings. I-90 west continues on same piece of roadway.