45 Cardiff to St Mellons via Penylan, Trowbridge
Operated by Cardiff Bus. First bus 05:20, last bus 20:55. 100 journeys on weekdays. Fares: set by the operator — more.
Wanted a different 45? 24 other bus routes are numbered 45 elsewhere in the UK — see every 45 bus timetable by area.
Runs towards St Mellons · Monday to Thursday · 50 journeys
| Stop | 05:46 | 06:15 | 06:45 | 07:08 | 07:43 | 07:59 | 08:17 | 08:32 | 08:47 | 09:02 | 09:17 | 09:32 | 09:47 | 10:00 | 10:15 | 10:30 | 10:45 | 11:00 | 11:15 | 11:30 | 11:45 | 12:00 | 12:15 | 12:30 | 12:45 | 13:00 | 13:15 | 13:30 | 13:45 | 14:00 | 14:15 | 14:30 | 14:45 | 15:00 | 15:15 | 15:30 | 15:45 | 16:00 | 16:15 | 16:30 | 16:45 | 17:00 | 17:15 | 17:30 | 17:45 | 18:00 | 18:30 | 19:00 | 19:30 | 20:30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castle Street (nr) | 05:46 | 06:15 | 06:45 | 07:08 | · | 07:59 | 08:17 | 08:32 | 08:47 | 09:02 | 09:17 | 09:32 | 09:47 | 10:00 | 10:15 | 10:30 | 10:45 | 11:00 | 11:15 | 11:30 | 11:45 | 12:00 | 12:15 | 12:30 | 12:45 | 13:00 | 13:15 | 13:30 | 13:45 | 14:00 | 14:15 | 14:30 | 14:45 | 15:00 | 15:15 | 15:30 | 15:45 | 16:00 | 16:15 | 16:30 | 16:45 | 17:00 | 17:15 | 17:30 | 17:45 | 18:00 | 18:30 | 19:00 | 19:30 | 20:30 |
| Westgate Street KH (on) | 05:49 | 06:18 | 06:48 | 07:12 | 07:43 | 08:03 | 08:21 | 08:36 | 08:51 | 09:06 | 09:21 | 09:36 | 09:51 | 10:04 | 10:19 | 10:34 | 10:49 | 11:04 | 11:19 | 11:34 | 11:49 | 12:04 | 12:19 | 12:34 | 12:49 | 13:04 | 13:19 | 13:34 | 13:49 | 14:04 | 14:19 | 14:34 | 14:49 | 15:04 | 15:19 | 15:34 | 15:49 | 16:04 | 16:19 | 16:34 | 16:49 | 17:04 | 17:19 | 17:34 | 17:49 | 18:04 | 18:34 | 19:04 | 19:34 | 20:34 |
| Bute Terrace JK (o/s) | 05:52 | 06:21 | 06:51 | 07:16 | 07:47 | 08:07 | 08:25 | 08:40 | 08:55 | 09:10 | 09:25 | 09:40 | 09:55 | 10:08 | 10:23 | 10:38 | 10:53 | 11:08 | 11:23 | 11:38 | 11:53 | 12:08 | 12:23 | 12:38 | 12:53 | 13:08 | 13:23 | 13:38 | 13:53 | 14:08 | 14:23 | 14:38 | 14:53 | 15:08 | 15:23 | 15:38 | 15:53 | 16:08 | 16:23 | 16:38 | 16:53 | 17:08 | 17:23 | 17:38 | 17:53 | 18:08 | 18:38 | 19:08 | 19:38 | 20:38 |
| Churchill Way HM (o/s) | 05:55 | 06:24 | 06:54 | 07:19 | 07:50 | 08:10 | 08:28 | 08:43 | 08:58 | 09:13 | 09:28 | 09:43 | 09:58 | 10:11 | 10:26 | 10:41 | 10:56 | 11:11 | 11:26 | 11:41 | 11:56 | 12:11 | 12:26 | 12:41 | 12:56 | 13:11 | 13:26 | 13:41 | 13:56 | 14:11 | 14:26 | 14:41 | 14:57 | 15:12 | 15:27 | 15:42 | 15:57 | 16:12 | 16:27 | 16:42 | 16:57 | 17:12 | 17:27 | 17:42 | 17:57 | 18:12 | 18:42 | 19:12 | 19:42 | 20:42 |
| City Link (opp Retail Park) | 06:05 | 06:34 | 07:04 | 07:31 | 08:02 | 08:22 | 08:40 | 08:55 | 09:10 | 09:25 | 09:40 | 09:55 | 10:10 | 10:23 | 10:38 | 10:53 | 11:08 | 11:23 | 11:38 | 11:53 | 12:08 | 12:23 | 12:38 | 12:53 | 13:08 | 13:23 | 13:38 | 13:53 | 14:08 | 14:23 | 14:38 | 14:53 | 15:11 | 15:26 | 15:41 | 15:56 | 16:11 | 16:26 | 16:41 | 16:56 | 17:11 | 17:26 | 17:41 | 17:56 | 18:11 | 18:26 | 18:55 | 19:25 | 19:55 | 20:55 |
| Carpenters Arms (o/s former) | 06:11 | 06:40 | 07:10 | 07:38 | 08:09 | 08:29 | 08:47 | 09:02 | 09:17 | 09:32 | 09:47 | 10:02 | 10:17 | 10:30 | 10:45 | 11:00 | 11:15 | 11:30 | 11:45 | 12:00 | 12:15 | 12:30 | 12:45 | 13:00 | 13:15 | 13:30 | 13:45 | 14:00 | 14:15 | 14:30 | 14:45 | 15:00 | 15:19 | 15:34 | 15:49 | 16:04 | 16:19 | 16:34 | 16:49 | 17:04 | 17:19 | 17:34 | 17:49 | 18:04 | 18:19 | 18:34 | 19:02 | 19:32 | 20:02 | 21:02 |
| Oswestry Close (before) | · | · | · | 07:43 | 08:14 | 08:34 | 08:52 | 09:07 | 09:22 | 09:37 | 09:52 | 10:07 | 10:22 | 10:35 | 10:50 | 11:05 | 11:20 | 11:35 | 11:50 | 12:05 | 12:20 | 12:35 | 12:50 | 13:05 | 13:20 | 13:35 | 13:50 | 14:05 | 14:20 | 14:35 | 14:50 | 15:05 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
| Tarwick Drive (after) | 06:22 | 06:51 | 07:21 | 07:51 | 08:22 | 08:42 | 09:00 | 09:15 | 09:30 | 09:45 | 10:00 | 10:15 | 10:30 | 10:43 | 10:58 | 11:13 | 11:28 | 11:43 | 11:58 | 12:13 | 12:28 | 12:43 | 12:58 | 13:13 | 13:28 | 13:43 | 13:58 | 14:13 | 14:28 | 14:43 | 14:58 | 15:13 | 15:33 | 15:48 | 16:03 | 16:18 | 16:33 | 16:48 | 17:03 | 17:18 | 17:33 | 17:48 | 18:03 | 18:18 | 18:33 | 18:48 | 19:15 | 19:45 | 20:15 | 21:15 |
| St Mellons Police Station (opp) | 06:25 | 06:54 | 07:24 | 07:54 | 08:25 | 08:45 | 09:03 | 09:18 | 09:33 | 09:48 | 10:03 | 10:18 | 10:33 | 10:46 | 11:01 | 11:16 | 11:31 | 11:46 | 12:01 | 12:16 | 12:31 | 12:46 | 13:01 | 13:16 | 13:31 | 13:46 | 14:01 | 14:16 | 14:31 | 14:46 | 15:01 | 15:16 | 15:37 | 15:52 | 16:07 | 16:22 | 16:37 | 16:52 | 17:07 | 17:22 | 17:37 | 17:52 | 18:07 | 18:22 | 18:37 | 18:52 | 19:19 | 19:49 | 20:19 | 21:19 |
| Heritage Inn (o/s) | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | 17:46 | 18:01 | 18:16 | 18:31 | 18:46 | · | 19:28 | 19:58 | 20:28 | · |
Each column is one journey, headed by the time it sets off. A · means that journey does not stop there. Times are shown at the route's main timing stops — buses serve all stops in between. Switch a table to All stops for every stop it calls at, or open a stop's own page for live departures there.
The England fare cap doesn't apply in Wales — Cardiff Bus sets the fares on the 45. Check their website or the Traveline Cymru fare finder for current prices. Who travels free →
Christmas & bank holidays
These dates are not the usual timetable for the day they fall on. They come from the operator’s published data, which for Christmas and New Year is often late or incomplete, so check with Cardiff Bus before you travel. Everything above is an ordinary week.
- Christmas Eve — Thursday, 24 December 2026 towards St Mellons: 49 journeys, first 05:46 towards Cardiff: 50 journeys, first 05:20
- Christmas Day — Friday, 25 December 2026 The operator’s data lists more buses on this date than on an ordinary Friday (137 journeys in both directions together, against 100), which usually means two timetables have been added together by mistake. Check with Cardiff Bus before you travel.
- Boxing Day — Saturday, 26 December 2026 The operator’s data lists more buses on this date than on an ordinary Saturday (207 journeys in both directions together, against 70), which usually means two timetables have been added together by mistake. Check with Cardiff Bus before you travel.
- Monday, 28 December 2026 towards St Mellons: 49 journeys, first 05:46 towards Cardiff: 50 journeys, first 05:20
- Tuesday, 29 December 2026 towards St Mellons: 49 journeys, first 05:46 towards Cardiff: 50 journeys, first 05:20
- Wednesday, 30 December 2026 towards St Mellons: 49 journeys, first 05:46 towards Cardiff: 50 journeys, first 05:20
- New Year's Eve — Thursday, 31 December 2026 towards St Mellons: 49 journeys, first 05:46 towards Cardiff: 50 journeys, first 05:20
- New Year's Day — Friday, 1 January 2027 The operator’s data lists more buses on this date than on an ordinary Friday (137 journeys in both directions together, against 100), which usually means two timetables have been added together by mistake. Check with Cardiff Bus before you travel.
Route map
All stops on route 45
45 towards St Mellons
All 45 stops
- Castle Street (nr) Cardiff
- Westgate Street KH (on) Cardiff
- Bute Terrace JK (o/s) Cardiff
- Churchill Way HM (o/s) Cardiff
- West Grove (o/s) Roath
- Infirmary (o/s) Roath
- Elm Street (before) Roath
- Oakfield Street (after) Roath
- Stacey Road (opp) Roath
- Royal Oak (after) Roath
- City Link (opp Retail Park) Roath
- Colchester Avenue Bottom (after) Penylan
- Ipswich Road (before) Penylan
- Castle Avenue (after) Rumney
- Ty Mawr Road (after) Rumney
- Carpenters Arms (o/s former) Rumney
- Ty Fry Road (before) Rumney
- Rumney Primary School (o/s) Rumney
- Caeglas Road (o/s Butchers) Rumney
- New Road (before) Rumney
- Heron Road (before) Rumney
- St Hilary Church (opp former) Rumney
- Caeglas Road (o/s shops) Rumney
- Oswestry Close (before) Rumney
- Manorbier Cres (before) Rumney
- Nevin Crescent (o/s 9) Rumney
- Rhyl Road (before Llandudno Road) Rumney
- Towyn Road (before) Rumney
- Trowbridge Road (after) Trowbridge
- Abergele Road (after) Trowbridge
- Hendre Road (before) Trowbridge
- Tarwick Drive (after) St Mellons
- Llaneirwg Way (after pedestrian crossing) St Mellons
- Sanderling Drive (before) St Mellons
- St Mellons Police Station (opp) St Mellons
- Coleford Drive (before) St Mellons
- Willowbrook Drive (before) St Mellons
- Crickhowell Road (after) St Mellons
- Meadowlane Primary School (o/s) St Mellons
- Clos Gwlad-Yr-Haf (o/s) St Mellons
- Willowbrook School (opp) St Mellons
- Kwik Save (opp) St Mellons
- Willowdene Way (before) St Mellons
- Heritage Park (o/s) St Mellons
- Heritage Inn (o/s) St Mellons
45 towards Cardiff
All 47 stops
- St Mellons Police Station (opp) St Mellons
- Coleford Drive (before) St Mellons
- Willowbrook Drive (before) St Mellons
- Crickhowell Road (after) St Mellons
- Meadowlane Primary School (o/s) St Mellons
- Clos Gwlad-Yr-Haf (o/s) St Mellons
- Willowbrook School (opp) St Mellons
- Kwik Save (opp) St Mellons
- Willowdene Way (before) St Mellons
- Heritage Park (o/s) St Mellons
- Heritage Inn (o/s) St Mellons
- Llaneirwg Way (before pedestrian crossing) St Mellons
- Tarwick Drive (after) St Mellons
- Ty Coch Court (nr) Trowbridge
- Hendre Road (after) Trowbridge
- Abergele Road (before) Trowbridge
- Trowbridge Road (after) Trowbridge
- Towyn Road (before) Rumney
- Harris Avenue (after) Rumney
- Heron Road (after) Rumney
- New Road (before) Rumney
- Caeglas Road (o/s Chapel) Rumney
- Rhyl Road (o/s 28) Rumney
- Nevin Crescent (opp 9) Rumney
- Manorbier Cres (after) Rumney
- Castlefield Centre (o/s) Rumney
- Wentloog Rd (before) Rumney
- Rumney Primary School (opp) Rumney
- Ty Fry Road (after) Rumney
- Carpenters Arms (opp former) Rumney
- Ty Mawr Road (after) Rumney
- Ipswich Road (after) Penylan
- Colchester Avenue Bottom (before) Penylan
- City Link (o/s Retail Park) Roath
- Royal Oak (before) Roath
- Stacey Road (end of) Roath
- Priest Road (after) Roath
- Piercefield Place (after) Roath
- Cardiff Royal Infirmary 5 (o/s) Adamsdown
- Fitzalan Place (after) Adamsdown
- Queen Street HF (o/s) Cardiff
- Bute Terrace Radisson Blu (before) Cardiff
- Dumfries Place HX (o/s) Cardiff
- Greyfriars Road GN (o/s) Cardiff
- Kingsway Hilton GP (o/s) Cardiff Castle
- Castle Street (nr) Cardiff
- Westgate Street KG (o/s) Cardiff
Towns & areas on this route
Frequently asked questions
What time is the first 45 bus?
The first 45 departure on weekdays leaves at 05:20 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last 45 bus?
The last 45 on weekdays leaves its first stop at 20:55. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the 45 bus cost?
The England fare cap doesn't apply in Wales — Cardiff Bus sets the fares on the 45. Check their website or the Traveline Cymru fare finder for current prices.
Who runs the 45 bus?
The 45 is operated by Cardiff Bus.
Timetable data from Cardiff Bus via the DfT Bus Open Data Service (Wales feed). Check before you travel — services can change at short notice.