In 2026, Japanese public transportation etiquette remains rooted in a "culture of silence" and mutual respect. While there is no law against talking on a bus, it is strongly discouraged to have loud or lengthy conversations. Brief, whispered exchanges with a travel companion are generally acceptable, but speaking at a normal "Western" volume is considered inconsiderate (meiwaku) to other passengers who use the commute to rest or read. The most rigid rule is regarding mobile phone calls: you are expected to set your phone to "Manner Mode" (silent) and never take or make voice calls while on board. If you must speak, you should follow the "one-meter rule"—your voice should not be audible to anyone beyond your immediate seat. Breaking this unspoken code of conduct often results in "cold stares" from locals, and in 2026, many buses feature digital signage and automated announcements explicitly reminding passengers to remain quiet for the comfort of all.