Downtown San Diego January 18, 2024 11:08 pm Train horns deafening downtown San Diego as city's ‘quiet zone' lifted temporarily Many people in downtown San Diego can’t get any peace and quiet because of blaring train horns. NBC 7’s Dave Summers reports on Jan. 18, 2024. US & World Videos 3:26 Family of USD student killed on freeway worries lawsuit against Uber could get dismissed 0:22 Hundreds of EV chargers coming to San Diego 2:41 Riverwalk housing project on hold in Mission Valley 1:11 Tijuana municipal police chief gunned down 2:12 San Diego Mayor Todd Gloria releases revised budget plan