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Traffic Wales information line 0300 123 1213
The Welsh Government’s traffic information service for motorways and trunk roads in Wales

A40 Brecon Southern Bypass - Central Reserve Safety Barrier - Phase 2


Where and Why?

A40 Brecon southern bypass dual carriageway, Brecon, Powys.

This work is phase 2 of a wider long term scheme to provide a central reserve safety barrier to the A40 Brecon southern bypass. Phase 2 includes construction of 1100m of new central reserve safety barrier to the central reserve of the existing dual carriageway.

Diversions and Safety Measures

No diversion necessary as dual carriageway, two lanes restricted to a single lane in eastbound and a single lane in the westbound directions alongside the safety barrier construction works and landslip.

Maintaining existing lane closure past landslip and provision of lane closure to provide appropriate safe working area for undertaking these safety barrier construction works within the central reserve. 

Programme of traffic management restrictions

Works to start on Monday 16th March 2020 for a period of approximately 6 weeks.


For further information, please contact Traffic Wales on 0300 123 1213 or via Twitter @TrafficWalesN.

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0300 123 1213
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