The A47 slip road was closed off at Dereham this afternoon after a car crashed.
One lane was closed at the A1075 junction with the A47 following the crash at around 6.30pm.
Two fire engines from Dereham and one from Thetford were called and the crews released the casualties.
The A148 in west Norfolk was also shut this afternoon between Flitcham and Harpley, after two cars crashed.
One person was trapped and had to be released by fire crews, who were called shortly before 5pm.
Police also closed the A47 at the B1108 Watton Road to the west of Norwich, in both directions this evening after someone on the bridge above the road threatened to jump off.
The person was talked down and the road re-opened.
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