AMP: 0
Location: I-90 Business and I-90, Mineral Cty
As I-90 Business and Secondary 507 begin, stay straight to stay on it. 507 and I-90 Business are fully concurrent, but the route is signed as both.
AMP: 0
Location: Railroad St and Rock Ledge Ln, Alberton
Non standard sign as we enter Alberton
AMP: 0
Location: Railroad Ave and I-90 Business, Alberton
Keep right to head to I-90. 507 used to follow the left fork which was old US 10 all the way to Huson.
AMP: 2
Location: I-90 Business and Petty Creek Rd, Mineral Cty
Stay straight to head to I-90.
AMP: 2
Location: I-90 Business and I-90, Mineral Cty
A few feet later, we’ll approach I-90
AMP: 2
Location: I-90 Business and I-90, Mineral Cty
Turn right for I-90 west towards CDA. Stay straight for I-90 east.
AMP: 2
Location: I-90 Business and I-90, Mineral Cty
Follow 507 to I-90 east. Turn right for I-90 west.
AMP: 2
Location: I-90 Business and Petty Creek Rd, Missoula Cty
As we enter Missoula County, keep right for I-90 west.
AMP: 2
Location: Petty Creek Rd and I-90, Missoula Cty
Turn left for I-90 east towards Missoula. S-507 and I-90 Business both end here.
E to S-263, W to I-90 Bus/S-507
E to I-90 Bus/S-507, W to S-257