Two people were taken to hospital after a crash on the A140 at Dickleburgh.
The road was partially blocked after the crash, which involved a green Volkswagen Polo and a Suzuki Swift, and took place just before 5.45pm on Monday evening.
The male and female drivers both suffered minor injuries in the crash and were taken to hospital.
Norfolk Fire and Rescue Service and recovery services were called.
Norfolk police tweeted to warn drivers there would be delays and said they should plan alternative routes where possible.
Norwich Bus Updates also posted to say that Simonds 1 and 2 bus services would be delayed.
Just after 8.30pm police said the road had reopened.
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