core/homeassistant/components/trafikverket_ferry/icons.json

{
  "entity": {
    "sensor": {
      "departure_time": {
        "default": "mdi:clock"
      },
      "departure_from": {
        "default": "mdi:ferry"
      },
      "departure_to": {
        "default": "mdi:ferry"
      },
      "departure_modified": {
        "default": "mdi:clock"
      },
      "departure_time_next": {
        "default": "mdi:clock"
      },
      "departure_time_next_next": {
        "default": "mdi:clock"
      }
    }
  }
}