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Starr Interchange

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Project Description

The I-15/Starr Avenue Interchange adds a key link to one of the most highly traveled corridors in Clark County. It will enhance local access and mobility by connecting Starr Avenue from the west side of I-15 at Dean Martin Drive to the east side of I-15 at Las Vegas Boulevard. The project will help reduce crashes and alleviate existing and projected congestion on local streets that access I-15 and I-215 via Eastern Avenue, Cactus Avenue, and St. Rose Parkway.

The scope of this project is to design and construct the new interchange. The design consists of raising the I-15 freeway over Starr Avenue, while Starr Avenue remains at its existing grade.

Starr Avenue Montage1

Other aspects of the project:

Tight urban diamond interchange configuration
I-15 constructed to account for future widening
Starr Avenue constructed from Las Vegas Boulevard to Dean Martin Drive
Landscape/aesthetics
Traffic signals, signing, lighting, and drainage features

NDOT is delivering the project via the traditional design-bid-build method, with design conducted by NDOT’s professional engineers. Construction started in 2017 and finished on September 18, 2019.

Project Timeline

Groundbreaking: November 30, 2017
Ribbon-cutting: September 18, 2019

Starr Ribbon_Cutting3 Project Funding

The Starr Interchange project is being funded by federal, state, and local Fuel Revenue Indexing (FRI) sources. The construction cost was $36 million. The total project cost, however, including engineering, right-of-way, and construction management, was $49 million.