Support & Contact – De Lijn Subscriptions Discounts and exclusive rates What do I have to do as a member of the integrated police to travel for free by bus or tram? Published on February 11, 2020 08:14 On presentation of their service card members of the integrated police can travel for free on all buses and trams. Any questions about this subject?Fill in this form. Related articles Am I entitled to a free travel pass or a travel pass at a reduced rate? How can I request a pass to accompany people with a disability? Does De Lijn recognised the European Disability Card? What do I need to do to benefit from a family discount? How do I purchase a travel pass with a municipal discount, or for which I need a certificate?