As a general rule, animals are not permitted on any part of the RTM network (buses, metro, trams, shuttle buses, ferry boats and boats), with the following exceptions:
- Guide dogs or assistance dogs accompanying passengers holding a disability card are permitted. They must be kept on a lead (no longer than 80 cm).
- Small domestic animals not included in the official classification of dangerous animals are permitted provided they are carried in properly secured baskets, bags or cages and placed not on a seat but on the lap of the person travelling with them.