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District 3

District 3 – Southwest Idaho

Overview

News

Nighttime closures Monday and Tuesday at the Karcher Interchange Bridge

November 14, 2025
ITD removes large steel sign structures to make room for new signs.
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Input sought on long-range planning for transportation in Idaho

November 10, 2025
Comments will inform the update to ITD’s Statewide Long-Range Transportation Plan, a federally required strategy document that is updated every five years and is used by the Idaho Transportation Board and planning staff as a guide to program future studies and projects.  
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Culvert repairs begin Nov. 13 on SH-45 in Nampa

November 6, 2025
ITD will begin repairing a culvert in Nampa.
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New digital sign on SH-55 to improve communication

November 6, 2025
ITD improves SH-55 communication with new digital sign installation.
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Nighttime closures begin this weekend on Franklin Road near I-84

November 3, 2025
ITD advises motorists to prepare for nighttime closures over the next month on Franklin Road between Star and McDermott roads.
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SH-16 to fully close this weekend between SH-44 and US-20/26

October 31, 2025
SH-16 will be fully closed south of SH-44 the weekend of Nov. 7-10.
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ITD helps county snowplow operators prepare for winter

October 31, 2025
Ada County Highway District and Boise County Road and Bridge snowplow drivers heading into their first winter got to prepare...
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Nighttime I-84 eastbound closures at Gowen Interchange Sunday night for bridge repairs

October 29, 2025
ITD will close eastbound I-84 before Exit 57 nightly from 7:30 p.m. to 4 a.m. Sunday through early Wednesday.
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