The U.S. 20/26 Corridor is one of the few east-west commuter routes that connect Caldwell to Boise. It is currently a two-lane, suburban and rural roadway between Boise and Caldwell. As the land around the roadway develops, U.S. 20/26 is becoming a busy urban corridor in many locations.

The Idaho Transportation Department is studying U.S. 20/26 between I-84 in Caldwell and Eagle Road in Boise. The study will help ITD identify roadway improvements and determine the need for future right-of-way along this busy corridor. The study includes:

A corridor plan and concept report with recommended improvements and right-of-way needs between now and 2040.

An environmental assessment showing how the improvements would affect noise, air quality, cultural and historic resources and other environmental factors.

A phasing plan to help ITD select individual projects as funding allows and as priorities are identified.