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Rydym yn croesawu galwadau’n Gymraeg | We welcome calls in Welsh

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The Welsh Government’s traffic information service for motorways and trunk roads in Wales

M4 J47 Penllergaer - J49 Pont Abraham: Expansion joint and lining works

Start date: 08/01/2024 | End date: 29/02/2024

Image of junction 48 of the M4.

Essential works to  repair expansion joints and paint white lining between J47 Penllergaer and J49 Pont Abraham. This work will be done via lane closures and full overnight closures 20:00-06:00. 

There have been some delays to the programme due to adverse weather.

28 February - 29 February

Overnight closure in both directions J48 Hendy - J47 Penllergaer from 20:00-06:00.

During full closures traffic will be diverted off the M4 at J47 via the A483, A484, A4138, and back onto the M4 at J48 (same for the opposite direction).

For further information, please contact Traffic Wales on 0300 123 1213 or via X @TrafficWalesS and Facebook @TrafficWalesS.


Call the Traffic Wales information line
0300 123 1213

Rydym yn croesawu galwadau’n Gymraeg
We welcome calls in Welsh

Contact us