Castle Street is a bus stop on the Cardiff Bus network (stop 5710WDB48531), served by Route 44 to City Centre, Route 44 to St. Mellons, Route 45 to City Centre, Route 45 to St. Mellons, Route 49 to City Centre, Route 50 to City Centre. On weekdays buses run from 05:25 to 23:10.
Next buses here
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Scheduled times. The first bus of the day leaves at 05:25.
Read each row as the hour, then the minutes past it: 07 then 05 35 means 07:05 and 07:35. Scheduled times from Cardiff Bus’ official timetable data, refreshed 4 October 2026. Not live arrivals.
Questions about Castle Street
Which buses stop at Castle Street?
Route 44 to City Centre, Route 44 to St. Mellons, Route 45 to City Centre, Route 45 to St. Mellons, Route 49 to City Centre, Route 50 to City Centre stop at Castle Street (stop 5710WDB48531) in Cardiff Bus.
When is the first and last bus at Castle Street?
Monday: first bus 05:25, last 23:10 (178 buses). Saturday: first bus 05:45, last 21:17 (119 buses). Sunday: first bus 06:37, last 23:00 (85 buses). Public holiday timetables can differ; each route page lists them.
How often do buses come to Castle Street?
On a Monday about 13 buses an hour stop here between 07:00 and 19:00 (151 in those twelve hours, all routes together).
What other stops are near Castle Street?
The closest are Cardiff Bridge KQ (5710AWM26241, about 2 min walk), Cardiff Bridge (5710AWL26191, about 2 min walk), Westgate Street KP (5710WDB48395, about 3 min walk).
Are these live arrival times?
No. They are the scheduled times from Cardiff Bus’ published timetable, refreshed 4 October 2026. A bus can run early or late, and disruptions are not shown.
Source: Cardiff Bus open data (GTFS schedule for Cardiff Bus), used under the Open Government Licence v3.0. Refreshed 4 October 2026. Contains public sector information licensed under the Open Government Licence v3.0. Changes made: times reformatted into timetables and departure lists.