Breaking Alerts:

M11 | Essex | Carriageway Closure | Delays The M11 in Essex is closed southbound between J10 (Duxford) and J8 (Stansted) following a collision.

A40 | Herefordshire | Carriageway Closure | Expect Delays The A40 in Herefordshire is closed westbound between the A49 (Ross-on-Wye) and the A4137 (Whitchurch) following a serious collision.

M4 Traffic Report

This page shows a list of the current incidents and traffic warnings on the M4. Click on the 'more' link under each one to view further information.

M4 eastbound between J11 and J10 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:07:28 | more

M4 westbound between J14 and J15 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 19:54:48 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 19:20:50 | more

M4 westbound between J11 and J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 13:10:57 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 13:10:57 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 13:10:57 | more

M4 J12 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 13:10:57 | more

M4 westbound within J4 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 09:53:45 | more

M4 westbound within J4 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 09:42:07 | more

link road from M5 J15 southbound to M4 J20 eastbound | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-02 21:17:31 | more

M4 J19 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-02 21:17:31 | more

M4 eastbound within J19 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-02 21:17:31 | more

link road from M5 J16 northbound to M4 J20 eastbound | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-02 21:17:30 | more

M4 eastbound between J21 and J20 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-02 21:17:31 | more

M4 westbound within J17 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:36:55 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:15:16 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:14:36 | more

M4 J18 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:14:36 | more

M4 J12 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-02 16:02:59 | more

M4 J12 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 20:01:56 | more

M4 westbound between J11 and J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 20:01:56 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 20:01:56 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 19:31:58 | more

M4 eastbound between J20 and J19 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 19:29:32 | more

M4 westbound between J19 and J20 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 19:29:32 | more

M4 J5 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

link road from M25 J15 clockwise to M4 J4B westbound | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

link road from M25 J15 clockwise to M4 J4B eastbound | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound between J16 and J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 westbound at the Reading services slip road between J11 and J12 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 J12 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 westbound at the Reading services between J11 and J12 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 westbound within J11 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 eastbound between J14 and J13 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J13 and J14 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 eastbound between J10 and J8 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J8 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J7 and J8 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J8 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound within J10 before A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J8 and J10 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 eastbound between J10 and J8 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J4 and J4B | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound within J4B | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J12 and J13 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 eastbound between J13 and J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J7 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:27:36 | more

M4 westbound between J7 and J8 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 20:03:06 | more

M4 J7 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:03:06 | more

M4 eastbound within J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:06:53 | more

M4 westbound between J4 and J4B | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound within J4B | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J20 and J21 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 17:01:04 | more

M4 J16 eastbound access | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 eastbound between J16 and J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 J16 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 eastbound within J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 eastbound between J16 and J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:05:51 | more

M4 J16 westbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 J16 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:55 | more

M4 westbound between J16 and J17 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:07:54 | more

M4 westbound between J16 and J17 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:05:44 | more

M4 J14 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 05:57:14 | more

M4 eastbound at the Membury services between J15 and J14 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 05:54:43 | more

M4 eastbound between J14 and J13 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 05:54:43 | more

M4 eastbound at the Membury services slip road between J15 and J14 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 05:52:08 | more

M4 J15 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 05:52:08 | more

M4 westbound at the Membury services between J14 and J15 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:00:54 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:00:53 | more

M4 westbound within J14 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:00:52 | more

M4 westbound between J15 and J16 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:00:52 | more

M4 westbound at the Membury services slip road between J14 and J15 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-03 20:00:52 | more

M4 westbound between J16 and J17 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 15:04:02 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 20:01:19 | more

M4 J11 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound at the Reading services slip road between J12 and J11 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound within J12 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound within J11 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound within J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J6 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-01 11:46:42 | more

M4 eastbound between J10 and J8 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J8 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J7 and J8 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J8 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J14 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-02 20:01:19 | more

M4 J8 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 J8 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-01 11:46:42 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:01:21 | more

M4 eastbound between J18 and J17 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-03 19:01:20 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:12:13 | more

M4 westbound within J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-03 13:10:58 | more

M4 eastbound between J19 and J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:12:14 | more

M4 westbound between J18 and J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:05:56 | more

M4 eastbound between J17 and J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-02 19:12:12 | more