In 2026, the etiquette of talking to strangers on a bus is largely dictated by the "Social Bubble" rule. While human connection is often a lovely surprise, most commuters use public transit as a transitional space for decompressing, which is why you see so many noise-canceling headphones. A polite "Is this seat taken?" or a brief comment about a delay is standard, but deep conversations are usually avoided unless the other person clearly signals openness through eye contact or a lack of devices. In many urban centers, the bus is considered a semi-private space in public; thus, over-talking can sometimes be perceived as intrusive or even a safety concern. However, in smaller towns or rural routes, the vibe is often much more communal, and a friendly chat can be a highlight of the day. The golden rule is to read the room: if they have earbuds in or are staring at a screen, they are likely in "do not disturb" mode.