Project Bronco

A rendering shows an 850,000-square-foot distribution warehouse proposed for "Project Bronco" in Nampa. Amazon confirmed Thursday, Oct. 10, that it would open its first fulfillment center in Idaho at the site, to be 650,000 square feet and completed in 2020.

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NAMPA — Project Bronco, an 850,000-square-foot warehouse in the works in northern Nampa, may require as many as eight new roundabouts or traffic signals and six new additional intersections by 2030.

A traffic impact study by Thompson Engineers says the project is expected to employ 2,000 to 3,000 people and create 7,000 vehicle trips during peak operating season.

“Project Bronco” is the development’s code name, as the business behind it hasn’t been announced yet. Clues, however, point to Amazon; “Amazon” was listed on project documents, and the developer behind Project Bronco has built Amazon distribution centers around the world.

The warehouse would serve as a distribution center, mostly for smaller packages, Ware Malcomb architect Jim Terry told Nampa’s building and site design committee in July.

Located on over 100 acres at Star and Franklin roads, the warehouse would generate over 350 truck trips a day, according to the traffic study.

Though the Planning and Zoning Commission approved the conditional use permit for Project Bronco, the applicant has not closed on the property, according to Beth Ineck, Nampa’s economic development director. Some work has already begun on the land at the permission of the owners.

Ineck said based on the size of Project Bronco, city officials requested the largest and most comprehensive traffic impact study possible. The report is over 900 pages and examines more than 20 intersections.

The study recommends the installation of eight new roundabouts or traffic signals between now and 2030. Some of the intersections already had roundabouts in the works, and Ineck said many intersections already need improving based on the level of traffic in those areas.

The study recommends an existing roundabout at Star and Franklin roads be converted into a traffic signal. The study also recommends the creation of six intersections as access points along Franklin Road, with one of the access points built with a traffic signal.

Although the development sits near Interstate 84, Ineck said there are no improvements planned on the interstate, only on roads connecting to it. The study does not confirm that any of the improvement projects will take place, nor does it dictate who is responsible for completing them, Ineck said. Those details need to be negotiated between the two parties involved in the transaction.

Erin Bamer is the city of Nampa reporter. Contact her at 208-465-8193, or Follow on Twitter @ErinBamer.

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