21

Schedule change on 20 October 2025: Tram lines 1 and 3 will begin operating at 6-minute intervals on weekdays, including in the morning and at midday. The most frequent service will begin at 7 a.m., while previously it has only been in use from 2 p.m. to 5 p.m. At the same time, the schedules for connection lines 15–18, 21, 22, 41, and 81 will be adjusted to fit the new service on tram 1.