The state spent $111 million on the first phase of the Idaho Highway 16 expansion project, which opened in 2014: a 2.5-mile divided highway from Highway 44 to U.S. 20/26, also known as Chinden ...

Officials announced the closure of a 15-mile stretch of Idaho Highway 21 on Tuesday morning. The Idaho Transportation Department closed all lanes of Idaho 21 near Grandjean, between milepost 92 by ...

Boise National Forest Wapiti Wildfire forced Idaho Transportation Department to close part of Highway 21. Drivers should go through Ketchum.

More than a year overdue, the Idaho 55 highway project near Smiths Ferry wrapped up in late December with state transportation officials now acknowledging they again exceeded a budget that had ...