Emergency service were called to a crash between a lorry, van and car on the A47 at North Burlingham on Monday afternoon.
Police were called to the A47 at Dell Corner Lane at 12.15pm.
Fire crews form Acle, Carrow and Sprowston also attended.
One person was taken to the Norfolk and Norwich University Hospital for further treatment. Their injuries are not thought to be serious.
The road was blocked for almost four hours in both directions near to Beighton White House and diversions were in place.
Police had advised motorists to avoid the area.
The road re-opened shortly before 4pm.
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