⚠ Closure
M4 Traffic

Magor Services, M4

0Accidentsnone in National Highways’ incident data — but the overhead signs show M4 J21 - J23 CLOSED — see the signs5Roadworks activelive on the M4 right now — see details12Plannedscheduled on the M4 — see details

Live M4 traffic data from National Highways · updated 02:12 Thu 17 Sept 2026

M4

Magor Services on the M4

Magor is the first services on the M4 in Wales heading west, just after the Prince of Wales Bridge crossing.

WhereM4, at Junction 23A
Which sideOne site, reachable from both directions
OperatorRoadchef
FuelEsso

Food, fuel and facilities at Magor

Food and drink includes McDonald’s, Costa and Chozen Noodle. There is also a Days Inn hotel. Outlets and opening hours change from time to time, so check with Roadchef if you are relying on something in particular.

Worth knowing

Severn View services, which you may see signed nearby, is not on the M4. It is on the M48 at its Junction 1, reached by the old Severn Bridge route.

In Wales the M4 is run for the Welsh Government by Traffic Wales, not National Highways. Our live news comes from National Highways, so it may not include incidents on this part of the motorway.

The nearest services either side

Heading west, the next services is Cardiff Gate (at Junction 30). Heading east, the next is Leigh Delamere (between Junctions 17 and 18). See all M4 services for the full list, from Heston to Pont Abraham.

Check the M4 before you stop

A quick look at the latest M4 traffic news tells you whether there is a closure or queue between you and Magor. You can also check M4 roadworks, M4 accidents and every junction on our map of the M4 junctions.

M4traffic.co.uk is dedicated to the latest M4 traffic news, checked every five minutes, 24 hours a day. The M4 meets the M25 at Junction 4b near Heathrow and the M5 near Bristol — see M25 Traffic and M5 Traffic.