Bus safety protocols get a quick visual boost with combos like 🚌📵 to remind riders to put phones away or 🚌🚧🔒 signaling restricted areas and locked doors. Use 🚌📏🚦 when talking about social distancing or waiting for the light to change, and 🔔🚌🚏 works well for alerting stops. These combos fit perfectly in transit updates, school newsletters, or public safety posts.