X21 bus: Cwmbran – Blackwood

Stagecoach South Wales bus X21 runs between Blackwood and Cwmbran via Newbridge and Hafodyrynys. Runs Monday to Saturday. On Monday 2 November the first bus from Blackwood leaves at 17:35 and the last at 23:34 (6 journeys).

Operated by Stagecoach South Wales. Timetable for Monday, 2 November 2026. Plan a journey · Print this timetable

Questions

When is the first and last X21 bus from Blackwood to Cwmbran?
On Monday 2 November the first bus leaves Blackwood at 17:35 and the last at 23:34, 6 journeys in all.
When is the first and last X21 bus from Cwmbran to Blackwood?
On Monday 2 November the first bus leaves Cwmbran at 04:48 and the last at 20:05, 5 journeys in all.
Does the X21 bus run on Sundays?
No. Runs Monday to Saturday.
How often does the X21 bus run?
On Monday 2 November there are 6 journeys from Blackwood, at 17:35, 18:35, 19:10, 19:25, 20:30 and 23:34.
Where does the X21 bus stop?
Main stops from Blackwood to Cwmbran: Blackwood Bus Station Stand 3 (Blackwood), Newbridge Hotel (Newbridge), Hafodyrynys Hotel (Hafodyrynys), Cwmbran Bus Station Stand D1 (Cwmbran). The full list is in the timetable below.
Who runs the X21 bus?
Stagecoach South Wales.

Blackwood to Cwmbran

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6
Blackwood Bus Station Stand 317:3518:3519:1019:2523:34
Newbridge Hotel17:4418:4419:1919:3420:3023:43
Hafodyrynys Hotel17:5018:5019:2519:4020:3623:49
Cwmbran Bus Station Stand D118:0719:0719:4219:5720:5300:06

Cwmbran to Blackwood

StopJourney 1Journey 2Journey 3Journey 4Journey 5
Cwmbran Bus Station Stand F04:4805:4806:0806:4820:05
Hafodyrynys Hotel05:0206:0206:2207:0220:19
Co-op, Newbridge05:0706:0706:2707:0720:24
Blackwood Bus Station Stand 905:1806:1806:3807:1820:35

Places on this route

Timetables from the Bus Open Data Service (Department for Transport), updated Sunday, 1 November 2026. Stop details from NaPTAN. Train timetables contain data from Network Rail, licensed under the Open Government Licence; live train times from National Rail. Times are UK local time and can change at short notice: check before you travel.

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