Buses in Williamstown

5 bus routes serve Williamstown, run by Stagecoach South Wales and Thomas of Rhondda. The busiest stops are Brook Street, Glamorgan Hotel and School Street.

Most frequent routes

Where you can go from Williamstown

Routes

Bus companies

Stops

Nearby stops

Within a 10-minute walk of Williamstown, but in a neighbouring place:

Questions

Where can I go by bus from Williamstown?
Direct buses from Williamstown go to Clydach Vale (173), Porth (173), Tonypandy (122, 152), Aberdare (172), Bridgend (172), Cardiff Bus Station (122) and Gilfach Goch (152).
Which bus goes from Williamstown to Clydach Vale?
Route 173, run by Thomas of Rhondda and Stagecoach South Wales.
Which bus goes from Williamstown to Porth?
Route 173, run by Thomas of Rhondda and Stagecoach South Wales.
Which bus goes from Williamstown to Tonypandy?
Routes 122 and 152, run by Stagecoach South Wales.
Where do buses stop in Williamstown?
The busiest stops are Brook Street, Glamorgan Hotel, School Street, Saron and Cae Glas.
Which bus companies run in Williamstown?
Stagecoach South Wales and Thomas of Rhondda.
What are the most frequent buses in Williamstown?
the 122 (Tonypandy – Cardiff Bus Station), the 172 (Bridgend – Aberdare), the 152 (Gilfach Goch – Tonypandy) and the 173 (Clydach Vale – Porth).

Timetables from the Bus Open Data Service (Department for Transport), updated Monday, 2 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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