"Aan" appears with verbs for starting, putting on, and touching — in a main clause it splits to the end ("Ik trek mijn jas aan"), in a subclause it stays attached.
Reiziger: ?
Medewerker: 4.
Nina: ?
Bram: .
Reiziger: Hoe laat komt de trein aan?
What time does the train arrive?
Vul het ontbrekende woord in:
It arrives at half past two on platform 4.