The landmark Ivanpah solar energy plant along Interstate 15 near the Nevada-California border is past its prime, left in the desert dust as more efficient technology is producing power cheaper these ...

Two large wildfires broke out along Interstate 15 in northeastern San Diego County early Tuesday morning amid gusty Santa Ana ...

Southbound Interstate 15 will close Monday night (Jan. 27) from Russell Road to the Southern 215 Beltway, and officials are asking drivers to plan ahead.

A multiple-vehicle wreck caused the closure of northbound Interstate 15 in the Draper area on Saturday morning.

The Ivanpah Solar Power Plant, a familiar sight to those driving along Interstate 15 between Las Vegas and Los Angeles, is set to partially shut down, according to its operators.

The extensive roadwork at Tropicana Avenue and Interstate 15 is entering its final phase, with a substantial portion expected to be completed by spring.The $30 ...

Interstate 15 in Spanish Fork was closed for half an hour on Saturday after a 14-car crash — the second accident with 10 or ...

A police chase of a semi truck on I-15 near Beaver, Utah ended with the vehicle catching fire, causing traffic delays.

The Montana Department of Transportation invites the public to comment on a proposal to resurface about 8 miles of Interstate 15 near Craig. The project begins just north of the Augusta ...

The aniticipated completion of the ongoing I-15/Tropicana project is slated to take place this year, with crews already ...

As the new year rolls near, work on the yearslong Interstate 15-Tropicana Avenue project will continue into 2025 with an increased cost. The originally estimated $305 million project has ballooned ...