The A47 is partially blocked after a crash between a van and a car this morning (Wednesday, March 11).
The crash happened on the city-bound carriageway close to Hockering at 6.47am.
Police said a van and a Ford Focus had been involved in the crash and the road has been closed in both directions from Mattishall roundabout and the junction with East Tuddenham.
Diversions have been put in place on Wood Lane.
The East Anglian Air Ambulance has gone to the scene, although it is believed that nobody is seriously injured.
There are long tailbacks while emergency services deal with the crash.
First Buses tweeted that its Excel service would be delayed and diverted via Mattishall, where necessary.
And Konectbus tweeted that was experiencing delays to its route 8 service because of the crash.
The road was cleared as of 10.15am.
You can visit our live traffic map here.
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