Signs Tagged With Freeway Junction

I-15 south approaching Exit 160 - High Ore Road.

I-15 south approaching Exit 164 - MT-69/Boulder.

I-15 south approaching Exit 176 - Jefferson City.

I-15 south approaching Exit 182 - Clancy.

I-15 south approaching Exit 187 - MTS-518/Montana City.

I-15 south approaching Exit 190 - South Helena.

US-12 West/BL-15 South (Prospect Ave.) at I-15. Turn right for I-15 south to Butte; stay right for I-15/US-287 North to Great Falls. Continue straight for US-12 East/US-287 South/Townsend. This is the southern end of the Helena business loop.

I-15 south at Exit 192 - US-12/US-287 South/Townsend/Capitol Area. US-287 leaves I-15 southbound here.

I-15 south at Exit 193 - BL-15/Cedar St. Approaching Exit 192 - US-12/US-287 South/Townsend/Capital Area.

I-15 south at Exit 194 - Custer Ave. This interchange was opened in 2012.

I-15 south approaching Exit 200 - MTS-279/MTS-453/Lincoln Road.

I-15 south approaching Exit 209 - Gates of the Mountains.

I-15 south approaching Exit 216 - Sieben.

I-15 south at Exit 226 - MTS-434/Wolf Creek.

I-15 south approaching Exit 228 - US-287 North/Augusta/Choteau. US-287 joins I-15 south to Helena.

I-15 south at Exit 234 - Craig.

I-15 south at Exit 240 - Dearborn. Approaching Rest Area.

I-15 south approaching Exit 240 - Dearborn.

I-15 south at Exit 244 - Canyon Access.

I-15 south approaching Exit 247 - Hardy Creek.

I-15 south approaching Exit 254 - Cascade.

I-15 south approaching Exit 256 - MT-68/Cascade.

I-15 south approaching Exit 270 - MTS-330/Ulm.

I-15 south at Exit 277 - International Airport. Use Exit 277 for the Montana Air National Guard.

MT-3 Onramp onto I-15 North approaching Exit 277 - International Airport. Use Exit 277 for Montana Air National Guard. This is the west end of MT-3.