A broken down lorry has caused long delays on the A12 with London bound traffic worst affected.
All lanes have now reopened on the A406 Redbrige flyover north bound after a broken down vehicle has been moved to the hard shoulder.
Greater Anglia train services between London Liverpool Street and Shenfield via Ilford and Romford may have delays of 15 minutes due to a fault with the signalling system at Stratford.
Trains must run at a reduced speed on some lines.
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