Traffic is building around Trinity Park on the outskirts of Ipswich as people are driving to the first Suffolk Show to be held since 2019.
The show, which aims to celebrate the best of the county, is set to attract huge crowds as it returns for the first time since the Covid pandemic.
It is being held on Tuesday and Wednesday this year.
As gates opened at 7am, drivers were forming queues in Felixstowe Road towards the Warren Heath Sainsbury's store, according to the AA traffic map.
There was also lengthy queues of traffic coming from the Seven Hills roundabout for the A12 and A14 as of 9am.
Gates will be open from 7am on both days, with tickets costing £28.50 for an adult, £23 for over 65s and £9.50 for 15-18-year-olds. Under 15s go free. Parking is also free.
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