Traffic Alerts
Last updated by National Highways on 19/06/2025 15:19
M4 westbound between J21 (M48 / Chepstow) and J22 (Prince of Wales Bridge) • Accident
There is one of two lanes closed. Normal traffic conditions are expected between 17:00 and 17:15 on 19 June 2025.
M4 westbound between J21 (M48 / Chepstow) and J22 (Prince of Wales Bridge) • Congestion
Normal traffic conditions are expected between 16:30 and 16:45 on 19 June 2025.
M4 westbound within J20 (M5 / Bristol Filton Airport) • Congestion
Normal traffic conditions are expected between 17:30 and 17:45 on 19 June 2025.
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