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20mph Default Speed Limit - Restricted Roads Wales



The Welsh Government passed ' The Restricted Roads (20 mph Speed Limit) (Wales) Order 2022 ' on the 13th February 2022, which will come into force on the 17th of September 2023. All Councils in Wales will be required to implement this Welsh Government initiative. 

The introduction of this legislation has a major impact on the Authority’s highway network with the majority of our default 30 MPH roads being reduced to 20 MPH (by virtue of the presence of street lighting on such roads).

The Council will provide regular updates via this page as the project develops.

What stage are we at?

The Council is currently in the process of engaging with its elected members to provide them with the opportunity to comment on the changes to each ward within the County Borough. Following this process, there will be the opportunity for key stakeholders and the wider public to engage with the Authority on these changes.

Have your say

Whilst Rhondda Cynon Taff CBC is responsible for facilitating the change to the highway network brought about by the introduction of this new legislation. The overall scheme is being directed and funded by the Welsh Government and therefore any concerns would need to be raised directly with them via: 

There will however be elements of the highway network that deviates from the standards set by the Welsh Government and the residents of those areas that are affected will be written to separately as part of the statutory legal process.

However, should you have any localised concerns regarding the principle of the initiative then these can be emailed


The Council will shortly be starting its consultation process on roads that are to remain 30 m.p.h (by virtue of a Traffic Regulation Order).

The Council will however NOT consult the public on the implementation of the default 20 m.p.h. speed limit as it is a legislative change by the Welsh Government.