You can only buy this ticket at the railway station counter on presentation of your train ticket. The ticket costs NLG 7.50 per person. The taxi may make a detour to drop off other passengers first. This will not cost you extra. The bus station is next to the train station.
Busses leave frequently.
Let the bus driver stamp your ticket strip. Below you can find a map of the campus. The north is at the top of the map. Follow the sign Tilburg when the road forks. You are now on the Baroniebaan .