Interstate 115

Interstate 115 stems east from I-15 north & 90 east from a left side ramp (Exit 124).

07/05/16

The first set of shields for the three-way overlap of I-115 east, Business Loop I-15 north & I-90 east stands within the wye interchange at I-15 & 90.

07/05/16

Eastbound I-115 expands to two lanes ahead of the 1964-overpass above Interstate 15 south & 90 west.

07/05/16

The Silver Bow Creek valley spreads into view to the southeast as Interstate 115 approaches Exit 1 with Excelsior Avenue. Excelsior Avenue connects I-115 with public works areas of Butte and other industrial businesses to the south along Centennial Avenue.

07/05/16

Goldflint Mountain and other peaks rise along the Continental Divide along the east side of Butte as the roadways of I-115 converge ahead of Exit 1. Excelsior Avenue north to Park Street leads drivers to the campus of Montana Tech.

07/05/16

Exit 1 departs from I-115 east & Business Loop I-15 & 90 for adjacent Excelsior Avenue. Excelsior Avenue north provides a direct route to Walkerville Drive and the town of Walkerville.

07/05/16

Speed limits quickly reduce to 35 miles per hour as I-115 passes over Excelsior Avenue.

07/05/16

A second confirming marker for I-115 appears after Excelsior Avenue, despite the speed limit reduction.

07/05/16

Interstate 115 ends as Business Loop I-15 north & 90 east transition onto Iron Street. Iron Street extends three blocks east to Montana Street (former U.S. 10 and U.S. 91).

07/05/16

On-street parking for residences along Iron Street gives way to a controlled access freeway beyond Clark Street. The first reassurance marker for Interstate 115 stands just west of the last house.

07/07/16

A concrete median separates the four lane freeway as I-115 enters a folded diamond interchange (Exit 1) with Excelsior Avenue.

07/07/16

Exit 1 loops away from Interstate 115 west for Excelsior Avenue. Excelsior Avenue travels through west Butte to the town of Walkerville.

07/07/16

The freeway roadways diverge west from Exit 1 for the pending merge with Interstate 15 south & 90 west.

07/07/16

Trailblazers for I-15 & I-90 take the place of Business Loop shields again at the second and last confirming marker for Interstate 115.

08/09/16

Traffic along I-115 west reduces to a single lane ahead of the merge with I-15 south & 90 west at Whiskey Gulch.

08/09/16

The area terrain sees a roadway separation along I-15 & 90 as well. The tandem continue west to Rocker and Nissler, where they part ways for Dillon and Missoula respectively.

08/09/16

Excelsior Avenue curves northeast from Centennial Avenue to meet the lone interchange of Interstate 115 by Hamblin Heights mobile home park.

08/09/16

The westbound on-ramp for I-115 leads motorists onto Interstate 15 south & 90 west to Rocker and western outskirts of Butte.

08/09/16

Freeway entrance sign posted at the westbound on-ramp for Interstate 115. Despite being by the urban area of Butte, cattle guards are used here.

08/09/16

Excelsior Avenue lowers from the residential street grid of west Butte into a folded diamond interchange with Interstate 115. The westbound on-ramp references Dillon for I-15 south and Missoula for I-90 west.

08/09/16

The Interstate 115 overpass above Excelsior Avenue dates back to 1955.

08/09/16

Excelsior Avenue turns west and parallels I-115 at the eastbound on-ramp to Iron Street and Business Loop I-15 north & I-90 east. Excelsior Avenue continues west below Interstates 15 & 90 to become an unpaved road west toward Rocker.

08/09/16