A690 Durham Road closed in both directions because of an accident between a bus and a car at Thornholme Road.
A fourth person has died after a road accident last month that already killed three.
The accident happened on April 25 near to Houghton-le-Spring, County Durham when a Renault Scenic was hit by a lorry driving in the opposite direction.
Margaret Reed,74, was taken to James Cook hospital with serious injuries but today died.
Three people - Robert Reed, aged 75, Natalie Simpson, 18 and her 14-month-old daughter, Destiny - all died in the crash.
A woman has died in a collision on the A1 in North Yorkshire this morning.Read the full story ›
Police have confirmed that a woman who was in a crash on the A1 this morning has died.
Officers believe she is local and say her next of kin have been informed.
A woman was seriously injured when her car collided with a tree on the A1 in North Yorkshire this morning.
The 27-year-old's car aquaplaned before leaving the road and hitting the tree just south of Catterick.
The road was closed for several hours before it re-opened.
Sergeant John Lumbard, from North Yorkshire Police said: "We were called just after six o'clock to a traffic accident on the A1. It's a serious accident. A car has left the road and gone into a tree.
"At the moment it's very early stages of the investigation. But we do believe the weather conditions have played a significant part in what's happened."
A woman has been seriously injured in a collision on the A1(M) in North Yorkshire.
It's believed to have happened just after 5:30am this morning, when the 27-year-old's Peugeot aquaplaned and overturned just south of Catterick.
As a result, the southbound carriageway has been closed between Catterick Airfield and Killerby Hall . It's expected to re-open in the next half hour
Friends of an 18 year old who was killed in a horror smash alongside her one year old daughter and another family member pay tribute to herRead the full story ›
Arseng Rashid, 18, who has been sentenced to five years in prison and disqualified from driving for five years at Teesside Crown Court.
He pleaded guilty to two counts of death by dangerous driving.
A 63-year-old lorry driver has been committed to Warwick Crown Court after being charged with causing the death of a four-year-old by dangerous driving.
Robert Booth, of Brockley Street, Town End Farm, Sunderland, appeared at Solihull Magistrates Court today charged with causing the death of Priyanka Bhogal.
Priyanka, from Coventry, suffered fatal injuries when the car she was travelling in was involved in a collision on the M6 in the early hours of Sunday November 27 last year.
Mr Booth, who did not enter a plea, is due to appear at Warwick Crown Court on July 24.