Mailbag: ‘Children’ in crosswalks, annoying blue headlights and emergency vehicles without sirens

How do you define "children" in school zones? Are those harsh blue headlights legal? When must emergency vehicles use their sirens? The answers to these reader questions follow. When are "children" present? I frequently drive Fulton Road past Piner High School. There is signage that says it's a 25 mph [...]