ITD conducted a detailed traffic analysis of I-84 in 2018. ITD analyzed whether or not a new interchange would be needed along I-84 between Nampa and Caldwell. The analysis concluded widening I-84 and improving existing interchanges at Karcher/Midland (in Nampa) and Franklin Road (in Caldwell) will serve the needs of traffic beyond the design year 2045.

ITD is replacing the Ustick Road Overpass and Notus Canal bridge.
Replacing the overpass will allow additional lanes to be built on I-84. Construction on the overpass began in May 2021 and expected to be completed by Summer 2023. The overpass is part of ITD's improvements to I-84 in Caldwell.
Reemplazando el paso elevado permitirá que se construyan carriles adicionales en la I-84. La construcción del paso elevado comenzó en mayo de 2021 y se espera que esté terminado en la primavera de 2023. El paso elevado es parte de las mejoras de ITD a la I-84 en Caldwell.