Police are still trying to establish the cause of a fatal car crash on the A140 on Saturday.
A woman driving a Vauxhall Nova was killed when she collided with a Mitsubishi Spacewagon at Thornham Magna, just north of the Stoke Ash crossroads, in Suffolk, at 1230 BST.
On Thursday a crash near Bungay involving a lorry and two cars killed three people from Norfolk.
The victims' identities have now been released by police.
They were 60-year-old Ivan Jeffery, his wife Pamela, 65, and her mother Constance Rome, who is thought to have been in her 80s.
All were from Downham Market in Norfolk.
Police are still appealing for witnesses to the crash which happened on the A144 at Ilketshall St Lawrence on Thursday afternoon.