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Exit 23

I-94 Exit 14
I-94 Exit 36
I-90 East - Exit 23

I-90 East - Exit 23

I-90 east approaching Exit 23 - Pompeys Pillar. Pompeys Pillar is a sandstone outcrop, that is special because it has a signature of William Clark, from the Lewis and Clark expedition engraved in it. William Clark named Pompeys Pillar after Sacagawea’s infant son Jean Baptiste, whom Clark had nicknamed Pompey.

Frontage Road at I-94 (Exit 23)

Frontage Road at I-94 (Exit 23)

Frontage Road at I-94 junction. Turn left for the community of Pompeys Pillar. Turn right for I-94 west to Billings; continue over freeway for I-94 east to Miles City.