Traffic backs up in the northbound lanes of Interstate 15, near Sahara Avenue Exit in Las Vegas on Thursday, March 8, 2018. (Bizuayehu Tesfaye/Las Vegas Review-Journal) @bizutesfaye

Traffic backs up in the northbound lanes of Interstate 15, near the Sahara Avenue exit in Las Vegas on Thursday, March 8, 2018. (Bizuayehu Tesfaye/Las Vegas Review-Journal) @bizutesfaye