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 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 ...

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.

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

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 ...

Both lanes of Interstate 80 westbound are closed between mile marker 212 (Interstate 180 interchange) and mile marker 202, ...

Authorities say there were "white-out" conditions at the time of the crash, and some drivers involved were speeding.