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4Line 4 GZM Metropolis
GZM Metropolis bus line 4 (ZTM Metropolia GZM): Katowice Aleja Korfantego – Tychy Sikorskiego Wiadukt. Timetable, the route with every stop, operating hours and punctuality, by the timetable for Wednesday 11.11.2026.
Line 4 route and stops
Towards: Tychy Sikorskiego Wiadukt (19 trips, 34 stops)
| Hour | Minutes |
|---|---|
| 4 | 57 |
| 5 | 57 |
| 6 | 57 |
| 7 | 57 |
| 8 | 57 |
| 12 | 57 |
| 13 | 57 |
| 14 | 57 |
| 15 | 57 |
| 16 | 57 |
| 17 | 57 |
| 18 | 57 |
| 19 | 57 |
| 20 | 57 |
| 21 | 57 |
| 22 | 57 |
Trips that do not call at this stop: 3. They are not in the table.
Pick a stop to see its departures.
- Tychy Sikorskiego Wiadukt
Towards: Katowice Aleja Korfantego (16 trips, 32 stops)
| Hour | Minutes |
|---|---|
| 4 | 01 |
| 5 | 01 |
| 6 | 01 |
| 7 | 01 |
| 8 | 01 |
| 12 | 01 |
| 13 | 01 |
| 14 | 01 |
| 15 | 01 |
| 16 | 01 |
| 17 | 01 |
| 18 | 01 |
| 19 | 01 |
| 20 | 01 |
| 21 | 01 |
| 22 | 01 |
Pick a stop to see its departures.
- Katowice Aleja Korfantego
Towards: Katowice Piotra Skargi (3 trips, 34 stops)
| Hour | Minutes |
|---|---|
| 9 | 01 |
| 10 | 01 |
| 11 | 01 |
Pick a stop to see its departures.
- Katowice Piotra Skargi
Trips through the day
Departures of line 4 from its terminus in each hour, by the timetable for Wednesday 11.11.2026.
Line 4 punctuality
In the last 7 days 63% of line 4's measurements were on time (from a minute early to 3 minutes late). 35% were at least 3 minutes late, and the average deviation from the timetable was 3.2 min. That is worse than the city average (78% on time). Over the last 30 days the average delay was 3.2 min.
Measured every minute from live vehicle positions against the timetable.
Questions about line 4
When is the first and last trip of line 4 in GZM Metropolis?
By the timetable for Wednesday 11.11.2026, line 4's first departure is at 04:01 and the last at 33. Other days may differ; the Wiesz Kiedy planner shows current departures.
How often does line 4 run?
At peak times line 4 runs roughly every 60 minutes each way, 38 trips a day in all.
Where is the line 4 bus right now?
On the Wiesz Kiedy live map: wieszkiedy.pl/en/app?city=gzm&line=4 shows every vehicle on line 4 with its direction and delay.
Is line 4 often late?
In the last 7 days 63% of line 4's measurements were on time, and 35% were at least 3 minutes late.
Other buses in GZM Metropolis
Timetable data: ZTM Metropolia GZM (data sources). Wiesz Kiedy is independent and not affiliated with any operator. Updated 2026-11-11.