busevi.rs

Belgrade public transport

21

Trolleybus 21 — timetable, route and stops: Trg SlavijaUčiteljsko naselje

Trolleybus Regular line

Line 21 (trolleybus) of Belgrade public transport connects Trg Slavija and Učiteljsko naselje. It has 13 stops per direction, the average ride takes about 13 minutes, and departures run roughly every ~11 minutes.

Runs every day from 04:15 to 23:30, every ~11 min.

Interval

~11 min

Stops

13

Duration

~13 min

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Line 21 timetable

Direction: Trg Slavija → Učiteljsko naselje

Line 21 timetable (Trg Slavija – Učiteljsko naselje) on weekdays
HourDeparture minutes
0415 · 35 · 55
0515 · 35 · 48
0601 · 12 · 23 · 33 · 42 · 51
0700 · 10 · 19 · 28 · 37 · 46 · 56
0805 · 14 · 23 · 32 · 42 · 52
0902 · 12 · 22 · 33 · 43 · 53
1003 · 13 · 24 · 34 · 44 · 54
1104 · 15 · 25 · 35 · 45 · 55
1206 · 16 · 26 · 37 · 47 · 58
1310 · 21 · 32 · 44 · 55
1407 · 18 · 29 · 41 · 52
1504 · 15 · 26 · 38 · 49
1601 · 12 · 23 · 35 · 46 · 58
1709 · 20 · 32 · 43 · 55
1806 · 17 · 29 · 40 · 52
1903 · 15 · 28 · 42 · 56
2010 · 24 · 38 · 53
2109 · 25 · 41 · 58
2215 · 45
2330
Valid from 16 December 2025 · Operator: GSP Beograd

Route and stops of line 21

The route of line 21 goes from Trg Slavija to Učiteljsko naselje and covers 13 stops.

Same number in another city:Line 21 in Novi Sad
  1. Trg Slavija

    code 3054 — Trg Slavijadeparture0 min total
  2. Katanićeva

    code 201 — Katanićeva+2 min2 min total
  3. Mačvanska

    code 203 — Mačvanska+1 min3 min total
  4. Crveni krst

    code 207 — Crveni krst+2 min6 min total
  5. Crveni krst

    code 207 — Crveni krst+0 min6 min total
  6. Rimska

    code 223 — Rimska+2 min11 min total

How long does the ride on line 21 take

The ride from Trg Slavija to Učiteljsko naselje takes about 13 minutes on average. During the morning and afternoon rush hours the ride can take longer due to traffic.

Line and vehicle type

Line 21 is a trolleybus line (regular line) in the Belgrade public transport system (GSP). It runs in both directions.

Frequently asked questions about line 21

When is the first departure of line 21?

On weekdays the first departure is at 04:15 and the last at 23:30, from the Trg Slavija stop.

Does line 21 run on weekends?

Yes, on Saturdays from 04:15 to 23:30 and on Sundays from 04:15 to 23:30.

How many stops does line 21 have?

Line 21 has 13 stops in the Trg Slavija – Učiteljsko naselje direction.

How long does the ride on line 21 take?

Riding the full line takes about 13 minutes on average.

How often does line 21 run?

The average interval of line 21 is about 15 minutes — usually more frequent during rush hour, less frequent in the evening and on weekends. Exact departures by hour are in the timetable on this page.

How do I know when line 21 arrives at my stop?

Open your stop on busevi.rs (Stops tab) — you will see line 21 vehicles moving on the map and an arrival estimate based on the timetable and the typical travel time for that hour.

Is line 21 currently running?

Line 21 runs according to the timetable. Check possible delays, holdups or suspensions on the Live status page — it is updated every few minutes.