Wood Lane in Barking is closed in both directions this morning while crash investigation work continues following an incident last night.
The A124 is shut between Five Elms Road/Grafton Road and Thompson Road, with bus routes 5 and EL2 diverted around the closure.
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Traffic information suggests the incident happened at around 9pm last night, with the closure first reported at 3.31am today. The circumstances surrounding the collision remain unclear.
Drivers are being advised to avoid the area and to allow extra time for journeys while the closure is in place. Bus passengers on routes 5 and EL2 should check for diversions before travelling.
Wood Lane is a main route through Barking and Dagenham, and the closure affects a busy stretch used by thousands of commuters each morning.
The closure is the second overnight crash investigation to shut a London road this morning. High Road Leyton is also closed in both directions, between Vicarage Road and Jesse Road, with buses 69 and 97 diverted. Earlier this week, a crash in Ilford closed a road in both directions for almost eight hours while police investigated.

