I-15 construction or viva, Las Vegas!
Watch out! Caltrans plans to close I-15 in the Devore area several times in the coming year or so.
And they do mean *close*! As in all lanes in both directions, making the trip from IE to Las Vegas a special delight.
Caltrans I-15 info page: www.dot.ca.gov/
dist8/Projects/15_improve.htm