"I-115" redirects here. For the isotope of iodine (I-115 or 115I), see Iodine-115.
Interstate 115
I-115 highlighted in red
Route information
Auxiliary route of I-15
Maintained by MDT
Length
1.194 mi (1.922 km)
Existed
1971–present
NHS
Entire route
Major junctions
West end
I-15 / I-90 in Butte
East end
I-15 BL / I-90 BL in Butte
Location
Country
United States
State
Montana
Counties
Silver Bow
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Montana Highway System
Interstate
US
State
Secondary
← I-94
→ MT 117
Interstate 115 (I-115) is a 1.194-mile-long (1.922 km) auxiliary Interstate Highway which connects I-15/I-90 to Butte in the U.S. state of Montana. The highway is concurrent with I-15 Bus./I-90 Bus. for its entire length. The highway travels from an incomplete interchange with I-15/I-90 through generally rural areas in western Butte. It also has an interchange with Excelsior Avenue before terminating. The entire route was built to Interstate standards during the 1960s, and was further changed in 2005.
Interstate115 (I-115) is a 1.194-mile-long (1.922 km) auxiliary Interstate Highway which connects I-15/I-90 to Butte in the U.S. state of Montana. The...
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proposed 115-mile (185 km) connector between the main I-69 trunk in Tenaha and Texarkana. These approvals added over 100 miles (160 km) to the Interstate Highway...
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alignment was moved west to become Interstate 29 around 1980 and SD 15's route from US 18 to Sioux Falls. SD 115 routes from its intersection with US...
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the Salton Sea. SR 115 and SR 98 end at I-8 east of El Centro. The route also has the lowest above-ground elevation of any Interstate at 52 ft (16 m) below...
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Global Information
I-15 / I-90 in Butte
I-15 BL / I-90 BL in Butte
