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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 J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-14 19:12:16 | more
M4 westbound within J19 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-14 19:12:15 | more
M4 eastbound between J21 and J20 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-13 20:21:09 | more
link road from M4 J20 eastbound to M5 J15 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-13 20:21:09 | more
M4 J7 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-13 20:12:58 | more
M4 westbound between J12 and J13 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-13 19:12:38 | more
M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 21:17:06 | more
M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 21:17:06 | 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 2025-06-12 21:17:06 | more
M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 21:17:05 | 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 2025-06-12 21:17:05 | more
M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 21:17:05 | more
M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 21:17:05 | more
M4 eastbound between J17 and J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 20:23:07 | more
M4 J11 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 20:17:53 | more
M4 westbound between J16 and J17 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 20:13:58 | more
M4 J16 westbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 20:13:58 | more
M4 eastbound between J14 and J13 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 19:25:52 | more
M4 eastbound between J14 and J13 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 19:25:52 | more
M4 eastbound between J14 and J13 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 19:25:51 | more
M4 westbound between J13 and J14 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 19:25:52 | more
M4 westbound between J18 and J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound within J19 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 westbound between J8 and J10 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound within J10 before A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J7 and J6 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J7 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
link road from M25 J15 anti-clockwise to M4 J4B eastbound | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J3 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 J2 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 eastbound between J2 and J1 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 J2 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 eastbound between J4 and J3 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 J15 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 westbound within J14 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 westbound between J15 and J16 | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 J15 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound between J3 and J4 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J4 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 fast slip from M4 J4 westbound exit to M4 spur (Heathrow) southbound | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 eastbound between J21 and J20 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 eastbound between J18 and J17 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J18 westbound exit | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound within J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J18 eastbound exit | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J19 and J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound within J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J19 and J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound within J18 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound between J13 and J14 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-14 05:54:49 | more
M4 eastbound between J16 and J15 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound within J12 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-14 03:04:35 | more
M4 J12 eastbound exit | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-14 06:26:25 | more
M4 J13 eastbound access | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-14 06:26:25 | more
M4 eastbound within J12 | Eastbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J12 and J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound within J11 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J11 and J10 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
link road from A329(M) westbound to M4 J10 westbound | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound within J10 after A329(M) eastbound access | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound between J10 and J11 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | 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 2025-06-12 10:20:13 | more
M4 eastbound within J12 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 eastbound between J11 and J10 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 westbound between J11 and J12 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more
M4 J6 westbound exit | Westbound | Road Works
Road Works, Severe Disruption - in excess of 3 hours delay or road closure, posted 2025-06-12 10:20:13 | more
M4 westbound between J17 and J18 | Westbound | Road Works
Road Works, No Delay, posted 2025-06-14 05:04:28 | more
M4 eastbound between J18 and J17 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-14 05:04:28 | more
M4 eastbound between J17 and J16 | Eastbound | Road Works
Road Works, No Delay, posted 2025-06-12 10:20:13 | more