First St., Ash Ave. & Rio Salado Pkwy. Roundabout

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In 2017, design concepts were developed to realign the intersection of First Street/Ash Avenue/Rio Salado Parkway.  The project allows for westbound travel on Rio Salado Parkway through Ash Avenue to First Street. Several design alternatives were presented to the public for feedback in spring 2017, including a public meeting held April 17, 2017. In May 2017, the Tempe City Council selected a roundabout design for the intersection.

At the Sept. 7, 2018 Tempe City Council meeting, staff provided an update on the project, including the refined roundabout design, right-of-way impacts and estimated costs. The project is being coordinated with the Tempe Streetcar project construction to limit construction disruption.  

The roundabout will provide another east/west travel option in and out of downtown Tempe, which would help with some of the traffic on the streets that connect to downtown.