U.S. Route 191, I-90 Bus to S-478


AMP: 0

Location: 1st Ave and Walnut St, Big Timber

Reassurance shield as 191 flies solo for the first time since Bozeman.

AMP: 1

Location: US 191 and Howie Rd, Sweet Grass Cty

As we head out of Big Timber, turn right for unsigned 478, which heads down a gravel road towards Howie

 N to US-12, S to S-298

 E to Stephens Hill Rd

 E to I-90, W to S-298