Jefferson County, Montana
Localities: Basin | Boulder | Butte | Cardwell | Clancy | Jefferson City | Montana City | Whitehall | Woodville
Basin
I-15 South - Exit 151
I-15 south approaching Exit 151 - Bernice.
I-15 North - Exit 151
I-15 north approaching Exit 151 - Bernice.
I-15 South - Exit 151
I-15 south approaching Exit 151 - Bernice.
Boulder
I-15 South - Exit 160
I-15 south approaching Exit 160 - High Ore Road.
I-15 North - Exit 164
I-15 North approaching Exit 164 - MT-69/Boulder
I-15 North - Exit 156
I-15 north at Exit 156 - Basin.
I-15 South - Exit 156
I-15 south at Exit 156 - Basin.
I-15 South - Exit 156
I-15 south approaching Exit 156 - Basin.
I-15 South - Exit 160
I-15 south approaching Exit 160 - High Ore Road.
I-15 South - Exit 164
I-15 south approaching Exit 164 - MT-69/Boulder.
I-15 North Exit 164
MT-69/Boulder Exit on I-15 North
Butte
I-15 North - Exit 134
I-15 north at Exit 134 - Woodville.
I-15 North - Jefferson County
Entering Jefferson County on I-15 north.
I-15 South - Exit 134
I-15 south approaching Exit 134 - Woodville.
Cardwell
I-90 West - Exit 267
I-90 west at Exit 267 - Milligan Canyon Road.
Clancy
I-15 North - Helena
Helena Next 4 Exits on I-15 north.
I-15 North - Exit 182
I-15 north approaching Exit 182 - Clancy.
I-15 South - Exit 176
I-15 south approaching Exit 176 - Jefferson City.
I-15 South - Exit 182
I-15 south approaching Exit 182 - Clancy.
Jefferson City
I-15 North - Exit 176
I-15 north approaching Exit 176 - Jefferson City.
Montana City
I-15 North - Exit 187
I-15 north approaching Exit 187 - MTS-518/Montana City.
I-15 South - Exit 187
I-15 south approaching Exit 187 - MTS-518/Montana City.
Whitehall
MT-55 South at MTS-422
MT-55 South at MTS-422 to Waterloo.
MT-2 West/MT-55 South at Split
MT-2 West/MT-55 South at MT-2/MT-55 Split. Use MT-2 west to Butte; MT-55 south to Virginia City and Dillon.
MT-2 West/MT-55 South at Split
MT-2 West/MT-55 South at MT-2/MT-55 split in Whitehall. Merge left to continue south on MT-55.
MT-55 South (Whitehall St.) Approaching MT-69 and MT-2
MT-55 South (Whitehall St.) Approaching MT-69 and MT-2 (not signed) in Whitehall.
MT-55 South/To MT-69 - Whitehall
MT-55 South/To MT-69 on Whitehall St. in Whitehall
I-90 West - Exit 249 Offramp at MT-55/To MT-69
I-90 West - Exit 249 Offramp at MT-55/To MT-69 in Whitehall.
I-90 West Exit 249 Offramp at MT-55
I-90 West Exit 249 Offramp at MT-55 in Whitehall. Turn left for MT-55 south to Whitehall, Dillon (via MT-41) and Virginia City (via MT-287).
I-90 West - Exit 249
I-90 west at Exit 249 - MT-55/To MT-69/Whitehall.
I-90 West - Exit 249
I-90 west approaching Exit 249. Use Exit 249 for MT-55 south to Virginia City (via MT-287) and Dillon (via MT-41). MT-55 and MT-41 to Dillon is often used as a shortcut to I-15 south into Idaho, instead of using I-90 west to Butte to connect to I-15.
I-90 West - Exit 249
I-90 west approaching Exit 249 - MT-55/To MT-69/Whitehall.
I-90 West - Exit 256
I-90 west approaching Exit 256 - MTS-359/Cardwell/Boulder.
Woodville
I-15 North - Elk Park Pass
I-15 north at Elk Park Pass (Continental Divide). Elevation 6368 Feet. This is also the county boundary between Silver Bow and Jefferson County. Water north of this point flows into the Gulf of Mexico.
I-15 South - Elk Park Pass
I-15 south at Elk Park Pass (Continental Divide). Elevation 6368 Feet. This is also the county boundary between Silver Bow and Jefferson County.