Interstate 15 in Montana

Infobox road
state=MT
type=I
route=15

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maint=Montana Department of Transportation
length_mi=397.5
length_round=2
length_ref= [http://www.fhwa.dot.gov/reports/routefinder/table1.htm Route Log- Main Routes of the Eisenhower National System of Interstate and Defense Highways - Table 1] ]
established=
direction_a=South
terminus_a=Jct|state=ID|I|15 at Idaho state line
junction=Jct|state=MT|I|90 in Butte
Jct|state=MT|I|115 in Butte
Jct|state=MT|US|287 in Helena
Jct|state=MT|US|89 in Great Falls
direction_b=North
terminus_b=Jct|state=AB|Hwy|4 at Canadian border
previous_type=MT
previous_route=13
next_type=MT
next_route=16

Interstate 15 in Montana continues onward from Idaho through nearly 400 miles (640 km) of Montana through the cities of Butte, Helena and Great Falls, intersecting with Interstate 90, Interstate 115 and Interstate 315. Interstate 15 reaches its northern terminus at the international border with Alberta, Canada.

Interstate 15 joins with I-90 and makes a junction with a short, one-mile spur route Interstate 115 in Butte.

From Helena to Sweetgrass at the Canadian border, Interstate 15 is dedicated as a memorial highway to the First Special Service Force.

Exit list

References