U.S. Route 26 in Idaho partially coincident with U.S. Route 95 in Idaho
Route description
Oregon state line to Downtown Boise
After crossing the Snake River at the Oregon state line, US 26 and US 20 make a curve towards US 95. At that point, both routes travel south along US 95. The three routes then travel south and then curves southeast in Parma. Then, US 95 branches southward while the rest continues southeast. Both US 26 and US 20 pass through Notus before meeting I-84/US 30. At this point, the four routes meet I-84 BL and then 10th Avenue before US 20 and US 26 travel east on Franklin Road; all of the exits are in Caldwell.
As the two routes approach Boise, they intersect three state highways: SH-16, SH-55 in Eagle–Boise line, and SH-44 in Garden City. In Boise, as US 26 and US 20 merge eastward onto I-184, the interstate designation ends there but the freeway ends in about 3⁄4 mile (1.2 km). Just after the freeway crosses the Boise River, both routes traveling eastbound serve River Street and Bogus Basin. After this, the freeway approaches a 45 mph (72 km/h) curve and then becomes an at-grade one-way pair.
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