Interstate 15 Business, S-229 to I-15/US-12/US-287

 

AMP: 43

Location: Montana Ave and Boulder Ave, Helena

Reassurance shield after the turn

AMP: 44

Location: Montana Ave and 11th Ave, Helena

A couple blocks later, turn left to continue east to I-15. Stay straight for the Capitol.

AMP: 44

Location: Montana Ave and 11th Ave, Helena

Turn left for US 12 east to US 287 south. This is probably a relic from when 287 was on surface streets.

AMP: 44

Location: 11th Ave and Montana Ave, Helena

Reassurance shield after the turn.

AMP: 44

Location: 11th Ave and Sanders St, Helena

Reassurance shield a few blocks later.

AMP: 44

Location: 11th Ave and Lamborn St, Helena

Reassurance shield a few blocks after that

AMP: 45

Location: 11th Ave and Fee St, Helena

As 11th Ave branches away, keep left to follow 12 to I-15 and US-287

AMP: 45

Location: US-12 and I-15, Helena

After keeping left, we’ll immediately approach I-15

AMP: 45

Location: US 12 and I-15, Helena

Exit for I-15 south towards Butte

AMP: 45

Location: US 12 and I-15, Helena

Exit for I-15 south. Keep right for I-15 and US 287 north. Keep left for US 12 east and US 287 south.

AMP: 45

Location: US 12 and I-15, Helena

Exit for I-15 (and US 287) north. 287 south joins US 12 until Townsend. I-15 Business ends here.

N to US-12

E to S-518, W to I-15 Bus

 S to S-282/S-518,  N to I-15 Bus

E to S-518, W to S-229

S to S-518, N to I-15 Bus

N to I-15 Bus