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 J19 and J18 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:37:30 | more

M4 J22 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 20:58:02 | more

M4 J16 eastbound access | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 20:11:29 | more

M4 eastbound between J16 and J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 20:11:29 | more

M4 eastbound within J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 20:11:29 | more

M4 westbound between J8 and J10 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:20:03 | more

M4 eastbound between J15 and J14 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:18:42 | more

M4 westbound between J14 and J15 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:12:01 | more

M4 J7 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound between J7 and J6 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound between J14 and J15 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound between J11 and J10 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound within J22 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound between J13 and J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound between J12 and J13 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound within J22 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 J22 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 westbound between J20 and J21 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound within J22 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound between J8 and J10 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound within J10 before A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 J15 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound within J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 J15 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 J15 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound between J5 and J4B | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound within J4B | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

link road from M4 J4B eastbound to M25 J15 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound at the Heston services slip road between J3 and J2 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 eastbound at the Heston services slip road between J3 and J2 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | 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 2025-05-01 17:08:37 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 westbound within J14 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 westbound between J15 and J16 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | 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 2025-05-01 17:08:37 | more

M4 eastbound between J20 and J19 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 21:03:17 | more

M4 eastbound within J22 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 19:43:49 | more

M4 eastbound between J20 and J19 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:10:31 | more

M4 J19 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:10:31 | more

M4 westbound within J10 before A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 21:01:40 | more

M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:39 | more

M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:39 | more

M4 eastbound at the Heston services slip road between J3 and J2 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:39 | more

M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:22:53 | more

M4 eastbound at the Heston services slip road between J3 and J2 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:39 | more

M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:39 | more

M4 J22 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:38 | more

M4 westbound between J20 and J21 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 22:39:55 | more

M4 westbound within J22 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 22:35:19 | more

M4 J2 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:38 | more

M4 westbound within J3 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 20:49:41 | more

M4 westbound at the Heston services slip road between J2 and J3 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:38 | more

M4 J2 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:37 | more

M4 westbound at the Heston services slip road between J2 and J3 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:37 | more

M4 J3 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 21:01:37 | more

M4 eastbound within J12 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 19:03:06 | more

M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 22:08:18 | more

M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

link road from A329(M) westbound to M4 J10 westbound | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:03:06 | more

link road from A329(M) eastbound to M4 J10 westbound | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 20:01:35 | more

M4 westbound within J10 after A329(M) eastbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 19:03:05 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 22:06:17 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound within J22 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 J6 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-05-01 17:08:37 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:01:00 | more

M4 eastbound between J18 and J17 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 19:00:59 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound between J19 and J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 westbound between J18 and J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more

M4 eastbound between J17 and J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-05-01 17:08:37 | more