What is the P+R Maastricht Noord travel pass?

The P+R Maastricht Noord travel pass is a monthly pass that you load onto your OV-chipkaart. Using this travel pass, you can travel unlimited for a month on the shuttle bus (bus no.100) between P+R Maastricht Noord and the city centre. After 19:00 (when the shuttle bus no longer operates) the pass is valid for travel on the Veolia trains between Maastricht central station and Maastricht Noord.