| Key | Value |
| colour | #9f184c |
| colour:ral | 3027 |
| network | Heilbronner Hohenloher Haller Nahverkehr;Karlsruher Verkehrsverbund;Tarifverbund Ortenau |
| network:short | KVV;HNV;TGO |
| operator | Albtal-Verkehrs-Gesellschaft mbH |
| operator:wikidata | Q896547 |
| ref | S4 |
| route_master | train |
| service | commuter |
| type | route_master |
| wikidata | Q106362966 |