The A419 Northbound is blocked with queueing traffic, and long delays due to accident between A361 (Honda South Roundabout) and A4311 Cricklade Road.
There is congestion on A419 Marlborough Road to A4259 Marlborough Road / B4192 Purley Road / Pack Hill (Commonhead Interchange).
An inquest has heard how a drink driver and her friend were killed in a crash that catapulted their passengers out of the window.
Shaya Rae Leigh, who was 18, was almost twice over the limit when her car flipped over and hit a tree in Swindon last May.
17 year old Kerrylee O'Leary-Staniford was also killed.
Neither girl had been wearing their seat belts properly at the time .
The assistant coroner recorded a narrative verdict.
The funeral of a woman who died in a car crash near Swindon took place on Monday lunchtime.
Shaya Leigh, who was 18, was killed when her car left the road on the A419 just outside the town last month. Her 17-year-old friend Kerry-Lee O'Leary Staniford also died in the crash.
The funeral of a woman who died in a car crash near Swindon last month will take place later today.
Shaya Leigh was killed when her car left the road on the A419 just outside the town. Her friend Kerry-Lee O'Leary Staniford also died in the crash.
Further tributes have been paid to two teenage girls, killed in a car crash near Swindon at the weekend. Three other people were injured - two of them critically. Friends of the two who died have told us they were 'typical girls who loved going out.'
The father of Kerrylee O'Leary Staniford, David O’LEARY, said: "My darling Kerrylee you made me so proud, my heart is broken. Love you forever and ever. My beautiful daughter we will love you and miss you forever."
Kerrylee O'Leary-Staniford's family descibed teenager as "beautiful" and "ambitious".
Two men are still in a critical condition in hospital after a car crash in Wiltshire which killed two teenagers.
18-year-old driver Shaya Leigh and her 17-year-old friend died on Saturday when their car came off the A419 at Swindon.
The two men were in the back of the Renault Clio. A third man is in hospital with serious injuries.