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M4 Motorway Traffic Cameras, News and Alerts

Choose a carriageway on the M4 motorway.

 M4 Eastbound
(90 Cameras) 
 M4 Westbound
(84 Cameras) 

Traffic Alerts

Last updated by National Highways on 12/12/2024 14:23

Medium Traffic

M4 westbound between J4B and J5 (Slough (E) / Heathrow Airport (W)) • Congestion

Normal traffic conditions are expected between 15:00 and 15:15 on 12 December 2024.
High Traffic

M4 eastbound between J6 (Slough (C) / Windsor) and J5 (Slough (E) / Heathrow Airport (W)) • Carriageway Lane Management

There is one of four lanes closed. Normal traffic conditions are expected between 16:00 and 16:15 on 12 December 2024.
High Traffic

M4 westbound between J5 (Slough (E) / Heathrow Airport (W)) and J6 (Slough (C) / Windsor) • Carriageway Lane Management

There are two of four lanes closed. Normal traffic conditions are expected between 16:45 and 17:00 on 12 December 2024.
Medium Traffic

M4 eastbound between J16 (Swindon (W)) and J15 (Swindon (E) / Marlborough) • Congestion

Normal traffic conditions are expected between 14:15 and 14:30 on 12 December 2024.

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