M4 : Both directions : J28 Tredegar Park to J30 Cardiff Gate

M4 : Both directions : J28 Tredegar Park to J30 Cardiff Gate : Poor driving conditions :

Type of event: Incidents

Severity of disruption: Slight

Start Date: 21/08/2026

End Date: 21/08/2026

First Published

21/08/2026 14:59

Reference Number

RNMDA_2026131341

Last Updated

21/08/2026 14:59

Source Agency

Welsh Government

Connect with Traffic Wales