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 westbound between J18 and J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-23 20:15:00 | more

M4 eastbound between J11 and J10 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-23 19:19:15 | more

M4 westbound between J14 and J15 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-23 15:11:30 | more

M4 westbound between J19 and J20 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-23 08:22:16 | more

M4 westbound between J20 and J21 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-23 08:22:16 | more

link road from M25 J15 anti-clockwise to M4 J4B eastbound | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-23 08:11:26 | more

M4 eastbound within J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-22 19:33:51 | more

M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-22 19:33:51 | more

M4 J12 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-22 19:33:51 | more

M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-22 19:28:46 | more

M4 westbound between J11 and J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-22 19:28:46 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-22 19:28:46 | more

M4 westbound within J10 before A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-04-22 15:51:53 | more

M4 eastbound within J5 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-22 09:40:48 | more

M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-21 21:35:24 | more

M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-21 21:35:24 | more

M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-21 21:35:24 | 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 2025-04-21 21:35:23 | more

M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-21 21:35:24 | 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 2025-04-21 21:35:23 | more

M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-21 21:35:23 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-21 19:24:12 | more

M4 eastbound between J13 and J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-21 19:20:46 | more

M4 J22 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 20:12:33 | more

M4 westbound between J20 and J21 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 20:12:34 | more

M4 westbound within J22 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 20:12:33 | more

M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | more

M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | 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 2025-04-20 19:12:21 | more

M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | 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 2025-04-20 19:12:21 | more

M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | more

M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 eastbound between J13 and J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 westbound between J12 and J13 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 westbound between J7 and J8 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-24 06:21:13 | more

M4 J8 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-24 06:23:21 | more

M4 eastbound between J10 and J8 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 06:23:21 | more

M4 J8 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 06:23:21 | more

link road from M25 J15 to M4 J4B eastbound | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 04:42:49 | more

link road from M25 J15 anti-clockwise to M4 J4B eastbound | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-24 03:33:40 | more

link road from M25 J15 anti-clockwise to M4 J4B eastbound | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-22 21:01:16 | more

M4 J2 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-24 04:48:29 | more

M4 westbound within J3 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-24 02:33:42 | 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 2025-04-24 04:48:29 | more

M4 J2 westbound access | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-24 02:06:51 | 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 2025-04-24 04:48:30 | more

M4 J3 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-24 04:48:30 | more

M4 eastbound within J4B | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 04:50:46 | more

M4 eastbound between J4B and J4 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 04:50:46 | more

M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 04:50:46 | more

connector at M4 J4/M4 spur (Heathrow) | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 04:53:02 | more

connector at M4 J4/M4 spur (Heathrow) | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-22 21:01:12 | 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 2025-04-23 12:41:09 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-23 12:41:09 | more

M4 westbound within J14 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-23 12:41:09 | more

M4 westbound between J15 and J16 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-23 12:41:09 | 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 2025-04-23 12:41:09 | more

M4 eastbound within J12 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | more

M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

link road from A329(M) westbound to M4 J10 westbound | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | 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 2025-04-20 19:12:21 | 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 2025-04-20 19:12:21 | more

M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 J6 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-04-20 19:12:21 | more

M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-24 05:09:12 | more

M4 eastbound between J18 and J17 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-24 05:09:11 | more

M4 J15 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-04-23 12:41:10 | more

M4 eastbound between J19 and J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 westbound between J18 and J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more

M4 eastbound between J17 and J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-04-20 19:12:21 | more