The A436 is closed in both directions due to an accident at the A435 Cirencester Road junction.
Congestion is back to the A417 (Air Balloon Roundabout).
Police hope the road will be open by around 6.30pm.
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Local authorities are taking a zero-tolerance approach to fly-tipping in the run up to Christmas as clean up costs spiral to £50 million.
Two seals have been released back into the wild after being cared for at a wildlife centre in Taunton since August.
The Moon balloon created especially for the Bristol Balloon Fiesta, is going to return to the city in 2017.