Stagecoach South Wales

X4 bus timetable: Merthyr Tydfil to Cardiff

Merthyr Tydfil - Cardiff

Mode Bus

Not the X4 you're looking for? 30 other bus routes in Great Britain use this number.

Merthyr Bus St Stand 8 → Cardiff Greyfriars Road Stop GJ

11 trips · first 06:31 · last 17:15

Mon–Fri Live From 2026-05-31

Swipe sideways to see later trips.

Stop

06:31 Cardiff Greyfriars Road Stop GJ

07:21 Cardiff Greyfriars Road Stop GJ

08:31 Cardiff Greyfriars Road Stop GJ

09:33 Cardiff Greyfriars Road Stop GJ

10:33 Cardiff Greyfriars Road Stop GJ

11:33 Cardiff Greyfriars Road Stop GJ

12:33 Cardiff Greyfriars Road Stop GJ

13:33 Cardiff Greyfriars Road Stop GJ

14:45 Cardiff Greyfriars Road Stop GJ

16:00 Cardiff Greyfriars Road Stop GJ

17:15 Cardiff Greyfriars Road Stop GJ

Merthyr Tydfil, Merthyr Bus Station Stand 8 at

06:31

07:21

08:31

09:33

10:33

11:33

12:33

13:33

14:45

16:00

17:15

Pontypridd Bus Station Stand 8 at

06:54

07:45

08:57

09:57

10:57

11:57

12:57

13:57

15:09

16:26

17:41

Treforest Industrial Estate, Day Centre before

07:06

07:58

09:10

10:09

11:09

12:09

13:09

14:09

15:21

16:39

17:53

Cardiff, Greyfriars Road Stop GJ

07:31

08:34

09:36

10:34

11:34

12:34

13:34

14:34

15:49

17:09

18:19

Cardiff Greyfriars Road Stop GJ → Merthyr Bus St Stand 8

11 trips · first 07:37 · last 18:25

Mon–Fri Live From 2026-05-31

Swipe sideways to see later trips.

Stop

07:37 Cardiff Greyfriars Road Stop GJ

08:40 Cardiff Greyfriars Road Stop GJ

09:40 Cardiff Greyfriars Road Stop GJ

10:40 Cardiff Greyfriars Road Stop GJ

11:40 Cardiff Greyfriars Road Stop GJ

12:40 Cardiff Greyfriars Road Stop GJ

13:40 Cardiff Greyfriars Road Stop GJ

14:40 Cardiff Greyfriars Road Stop GJ

16:00 Cardiff Greyfriars Road Stop GJ

17:20 Cardiff Greyfriars Road Stop GJ

18:25 Cardiff Greyfriars Road Stop GJ

Cardiff, Greyfriars Road Stop GJ

07:37

08:40

09:40

10:40

11:40

12:40

13:40

14:40

16:00

17:20

18:25

Treforest Industrial Estate, Day Centre outside

08:01

09:03

10:03

11:03

12:03

13:03

14:03

15:06

16:33

17:50

18:49

Pontypridd Bus Station Stand 5 at

08:13

09:15

10:15

11:15

12:15

13:15

14:15

15:22

16:50

18:06

19:01

Merthyr Tydfil, Merthyr Bus Station Stand 1 at

08:37

09:39

10:39

11:39

12:39

13:39

14:39

15:47

17:18

18:31

19:26

Timetable data from Stagecoach South Wales, refreshed 2026-06-28 · Source: Bus Open Data Service (BODS) · Service code PG0006630:382.

Main stops shown

4 main stops

The map can include more stops across directions; use All Stops above for the full timetable list.

Looking for a different X4 bus?

30 other routes

The number X4 is used by 30 other bus routes around Great Britain, run by different operators in different areas.

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Luton Airport - Dunstable - Leighton Buzzard - Aylesbury

Leighton Buzzard · Arriva Beds and Bucks

Luton Airport ↔ Aylesbury

Leighton Buzzard · Arriva Beds and Bucks

See all 31 bus routes numbered X4