Traffic travelling clockwise should follow the ‘hollow triangle’ diversion symbol and exit the M25 at J29 onto the A127 towards Southend. Take the exit onto the A128 ‘Halfway House’ and continue towards Tilbury. At ‘Orsett Cock’ roundabout take the the 5th exit onto the A13 towards London. Continue along the A13 to re-join the M25 at J30.
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