LA County April 29, 2021 5:57 pm Cleanup Has Begun on Some of LA's Filthiest Freeways The news comes after the NBC4 I-Team reported that CalTrans hadn’t cleaned some stretches in years. Joel Grover reports for the NBC4 News on Thursday, April 29, 2021. US & World Videos 1:56 1 person killed after car crashes into South LA church 0:43 LA County releases sterile mosquitoes as warmer weather nears 2:42 Days before USC commencement, protesters still camped out on campus 0:34 Deadly crash damages church in South Los Angeles 3:43 Despite encampment's clearing, safety concerns linger at UCLA
