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

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 ...

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 ...

The Nevada Department of Transportation (NDOT) is advancing to Phase 5 of the I-15/Tropicana Interchange Project, introducing ...

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

San Diego Fire-Rescue said the Center Fire at Camino Del Norte and Paseo Montanoso could potentially grow to 100 acres.

NDOT officials say the project is now 90% complete. This news came out of the Nevada Department of Transportation's finance presentation to the state finance subcommittee earlier this week.

The closures are part of a multi-year plan to expand 23 miles of the interstate from four to six lanes and reconfigure ...