AMP: 15
Location: S-451 and S-463, Big Horn Cty
Reassurance shield after the 463 junction
AMP: 0
Location: S-451 and Frontage Rd, Big Horn Cty
A few miles later, we’ll approach I-90. Turn right for I-90.
AMP: 0
Location: S-451 and I-90, Big Horn Cty
Follow I-90 east and unmarked US 87 south to Sheridan, Wyo.
AMP: 0
Location: S-451 and I-90, Big Horn Cty
Follow I-90 west and unmarked US-87 north towards Billings
AMP: 0
Location: S-451 and I-90, Big Horn Cty
Turn left for I-90 west. S-451 ends here.
E to I-90/US-87, W to Willow Creek Dam Rd