Southern California April 22, 2024 6:43 pm Construction begins on high-speed rail to Las Vegas Officials broke ground Monday on a new high-speed rail system that will connect Southern California and Las Vegas. Bailey Miller reports for the NBC4 News on April 22, 2024. US & World Videos 2:34 Rose Parade floats ready for test drive ahead of New Year's Day 2:40 Man arrested after police shooting and standoff in Eagle Rock 3:12 Educator accused of sexually abusing 8 students in Ventura County 0:38 Teen bicyclist dies in possible road rage crash in Exposition Park 1:54 One person in custody following shooting in Eagle Rock