I-90 East - Exits 67A and 67B
I-90 east at Exit 67A - Southbound Liberty Blvd. Approaching Exit 67B - Northbound Liberty Blvd./Ellsworth AFB.
I-90 East - Exit 67A-B
I-90 East approaching Exit 67A-B - Liberty Blvd/Box Elder/Ellsworth AFB
I-90 East - Exit 63
I-90 east approaching Exit 62 - Box Elder/Ellsworth AFB/Commercial Gate.