Signs Tagged With Interchange

I-15 South/I-90 West at Exit 127 - BL-15/BL-90/Harrison Blvd.

I-15 south approaching I-90 (Exit 129) to Billings and Butte. I-15 joins I-90 westbound through Butte.

I-15 South/I-90 West approaching Exit 127 - BL-15/BL-90/Harrison Ave.

I-15 south at I-90. Use left Exit 129 for I-90 East to Billings. Use right lane for I-15 South/I-90 West to Butte. I-15 joins I-90 west through Butte.

I-15 south approaching Exit 129 - I-90 East/Billings. Continue south on I-15/I-90 West to Butte. I-15 joins I-90 through Butte.

I-15 south approaching Exit 129 - I-90 East/Billings. I-15 South joins I-90 West to Butte.

I-15 south approaching Exit 134 - Woodville.

I-15 south approaching Exit 151 - Bernice.

I-15 south at Exit 156 - Basin.

I-15 south approaching Exit 156 - Basin.

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.

Freeway Entrance on I-15 onramp (Exit 192) in Helena.

US-12 east at I-15 south to Butte. US-287 joins US-12 eastbound here. This is the southern end of the I-15 Business Loop in 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.