What is Interstate 115?
{{Infobox road |state=MT |type=I |route=115 |spur_type=I |spur_of=15 |length_mi=1.194 |length_ref= |established=1971 |direction_a=West |terminus_a={{Jct|state=MT|I|15|I|90}} in [[Butte, Montana|Butte]] |direction_b=East |terminus_b={{jct|state=MT|BL|15|dab1=Butte|BL|90|dab2=Butte}} in Butte |counties=[[Silver Bow County, Montana|Silver Bow]] |previous_type=I |previous_route=94 |next_type=MT |next_route=117 }} '''Interstate&nbsp;115''' ('''I-115''') is a {{convert|1.194|mi|km|adj=mid|-long}} [[List of auxiliary Interstate Highways|auxiliary Interstate Highway]] in the U.S. state of [[Montana]]. It connects [[Interstate 15 in Montana|I-15]]/[[Interstate 90 in Montana|I-90]] to [[Butte, Montana|Butte]]. The highway begins at an [[Interchange (road)|interchange]] with I-15/I-90 through generally rural areas in western Butte. It has an interchange with Excelsior Avenue before ending. The entire route was upgraded to interstate standards during the 1960s, and was further upgraded in 2005. [[Category:Interstate Highways]] [[Category:Geography of Montana]]