Support & Contact – De Lijn Tips for a smooth journey Can I smoke in the shelters and on the De Lijn vehicles? Published on February 11, 2020 08:14 There is a general no smoking policy: in De Lijn vehicles; in De Lijn shelters; in De Lijn covered areas (e.g. at bus stations). Any questions about this subject?Fill in this form. Related articles How much do the fines cost? Which violations result in a type 1 fine? Where can I find real-time information on my bus or tram? How do I request a refund if I cancel my season ticket? How is safety maintained on the bus and tram?