There were long delays in both directions on the A1065 in west Norfolk following a crash on Sunday.
The road was blocked in both directions near The Swan Pub between Swaffham and Mundford, close to the junction with Cockley Cley Road leaving drivers stuck in long queues.
It happened at about 1.50pm, with drivers travelling southbound facing severe delays as traffic tails back past the junction with South Pickenham Road.
There were also long delays northbound with cars queuing back to the junction with Bodney Road.
It is not known whether anyone has been injured in the crash.
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