AMP: 0
Location: I-15 Business and 14th St, Great Falls
315 is really short and unsigned. As we get off, we approach 14th St, the only exit
AMP: 0
Location: I-15 Bus and 14th St SW, Great Falls
The only reassurance shield along I-315.
AMP: 1
Location: Railroad Ave and 6th St, Great Falls
At 6th St, we come to a stoplight and I-315 ends. The other four routes continue.
S to I-15/I-315/US-89/MT-3/MT-200, N to US-89/MT-3/MT-200
S to I-15 Bus, N to I-15/I-315/I-15 Bus/MT-3
N to I-15/I-315/I-15 Bus/US-89/MT-200, S to I-15 Bus
W to I-15/I-315/I-15 Bus/MT-3, E to I-15 Bus
