M4 Berkshire - Very slow traffic on M4 London-bound between J6, A355 (Slough) and J5, A4 (Langley), because of an accident, which is now on the hard shoulder. All lanes have been re-opened. Congestion to J8/9, A404M (Maidenhead).
severe16:49Updated 23 minutes ago
Incident type: congestion
A308 Berkshire - Queuing traffic on A308 eastbound in Windsor between the B3022 Frances Road junction and the A328 Priest Hill junction.