Traffic is building on the M25 clockwise from the QE2 Bridge, back towards Junction 29 for the A127 due to the obstruction. Delays are around 29 minutes, and increasing, according to the AA, with average speeds down to just 10mph. The obstruction is affecting traffic on surrounding roads, with increasing delays of 15 minutes reported on the A13 Westbound, and eight minute delays on the Pilgrims Roundabout. It is unclear what the obstruction is. Drivers are advised to allow for additional time to prevent delaying their journey.