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Nampa Today
By the People, for the People
Nampa's 11th Ave South Goes Two-Way! Major Downtown Construction Update
Nampa's ambitious project to transform a key section of 11th Avenue South into a two-way street aims to enhance safety and ease of navigation.
Apr. 11, 2026 at 1:04am
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Nampa's downtown infrastructure overhaul aims to transform the flow of traffic and pedestrian movement, bringing a fresh energy to the city's urban core.Nampa TodayNampa, Idaho is undertaking a major infrastructure project to convert a section of 11th Avenue South from a one-way to a two-way street. The goal is to improve safety and ease of navigation for drivers, pedestrians, and local businesses in the downtown area. The project involves comprehensive upgrades to utilities, traffic signals, and sidewalks, in addition to repaving the road. The construction will be phased over the summer of 2026, with the city working closely with local businesses to minimize disruptions.
Why it matters
This project is more than just a street conversion - it's an investment in the long-term health and vibrancy of Nampa's downtown. By addressing driver confusion and improving pedestrian infrastructure, the city aims to create a more accessible and appealing urban environment that supports local businesses and enhances the overall experience for residents and visitors.
The details
The project will convert a key section of 11th Avenue South from a one-way to a two-way street. This involves comprehensive upgrades, including replacing aging utilities, installing new traffic signals, and improving sidewalks. The construction will be phased over the summer of 2026, with at least two lanes remaining open during peak hours and only one lane open overnight. The city has worked closely with local businesses to coordinate the project and address their concerns.
- The project is slated to unfold in three phases throughout the summer of 2026.
- The projected completion date is September 2026.
The players
Matt Ricks
City Traffic Engineering Manager who cites driver confusion as a key reason for the two-way conversion.
Terry Smith
A local resident who plans to use alternative routes during the construction period.
What’s next
The project is slated to be completed in September 2026, with the city working closely with local businesses throughout the construction period to minimize disruptions.
The takeaway
Nampa's decision to convert 11th Avenue South to two-way traffic is a bold step towards revitalizing its downtown core. By addressing driver confusion, improving pedestrian infrastructure, and coordinating with local businesses, the city is investing in the long-term health and vibrancy of its urban heart.
