Currently, there is a temporary prohibition on the access of electric scooters and unicycles to public transportation. This restriction has been in effect since February 1, 2023, and is expected to remain in place until October 31, when a definitive regulation is anticipated to be established. This prohibition temporarily suspends sections 21 and 22 of the usage conditions.
For more information, you can refer to ATM’s announcement:
https://www.atm.cat/documents/20121/108383/230628_NdP_La+prohibici%C3%B3+d%27acc%C3%A9s+de+patinets+el%C3%A8ctrics+al+transport+p%C3%BAblic+es+prorroga+tres+mesos+-+%281%29.pdf/7b96c20f-a16d-bc3a-a1a5-3eab967b78b4?t=1687957199833