I-90 East - Exit 128
I-90 east at Exit 128 - Port of Entry. This is the east end of the Gillette business loop.
I-90 East at WY-51/US-14/US-16
I-90 east Exit 128 at BL-90/US-14/US-16/WY-51. Use BL-90/US-14/US-16 west for Gillette and Port of Entry.
Begin BL-90 at I-90
Begin BL-90 at I-90 west onramp (Exit 128). Use I-90 west for Buffalo. Continue west for BL-90/US-14/US-16 into Gillette.
I-90 West - Exits 128 and 126
I-90 West at Exit 128 - BL-90/US-14/US-16 West/Gillette. Approaching Exit 126 - WY-59/Gillette/Douglas.