Map of M4 Motorway Junctions

Map of the M4 motorway junctions.

West M4

To the West the M4 joins the M5 at M4 Junction 20 which heads north to Devon Cornwall and the South West of England.

The Western end of the M4 is in South Wales Junctions 23 to 48. Bridgend is on Junctions 25 to 37, M4 Junctions 44 and 45 for Swansea, Junctions 30 to 33 for Cardiff and Junctions 24 to 28 for Newport.

East M4

At the eastern end of the M4 is London, with Junctions for Slough, Reading, Newbury, Swindon and Bristol on the way to Wales in the West.

How Do I Find M4 Traffic News?

Simply type the search words in the search facility towards the top right of this page and click "search".

M4 westbound between J7 and J8 | Westbound | Congestion
Sun, 12 Jul 2020 12:00:29 GMT
M4 Current Traffic Incidents
Location : The M4 westbound between junctions J7 and J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 12 July 2020. Delay : There are currently delays of 10 minutes against expected traffic.

M4 westbound between J7 and J8 | Westbound | Congestion
Sun, 12 Jul 2020 11:34:26 GMT
M4 Current Traffic Incidents
Location : The M4 westbound between junctions J7 and J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 12:30 and 12:45 on 12 July 2020. Delay : There are currently delays of 10 minutes against expected traffic.

M4 eastbound between J11 and J10 | Eastbound | Vehicle Recovery
Sun, 12 Jul 2020 09:40:17 GMT
M4 Current Traffic Incidents
Location : The M4 eastbound between junctions J11 and J10 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Vehicle tyre change. Status : Currently Active. Time To Clear : The event is expected to clear between 11:15 and 11:30 on 12 July 2020. Lanes Closed : There is one of three lanes closed.

M4 westbound between J7 and J8 | Westbound | Congestion
Sun, 12 Jul 2020 10:34:28 GMT
M4 Current Traffic Incidents
Location : The M4 westbound between junctions J7 and J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 11:30 and 11:45 on 12 July 2020. Delay : There are currently delays of 10 minutes against expected traffic.

M4 westbound between J7 and J8 | Westbound | Congestion
Sun, 12 Jul 2020 10:59:38 GMT
M4 Current Traffic Incidents
Location : The M4 westbound between junctions J7 and J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 12 July 2020. Delay : There are currently delays of 10 minutes against expected traffic.

Map of M4 Motorway Junctions

West M4

East M4

How Do I Find M4 Traffic News?

Latest M4 News