UPDATE: The road reopened at 8.45pm.
READ MORE: Man dies after car found 'down a steep bank' off A303 near Amesbury
A 'SERIOUS RTC' is currently blocking the A303 between the junction with the A338 and Solstice Park - and it is not known when the road will reopen.
Wiltshire Police says the incident involved a single vehicle on the westbound carriageway, which is currently closed.
You might want to avoid the A303 westbound . 3 Miles east of Stonehenge .. pic.twitter.com/4xzjSzRWz7
— Urchins Bears (@UrchinsBears) 4 June 2019
A spokesperson for Highways England said: "The A303 is currently closed from its junction with the A338 (Cholderton) to the A345 (Amesbury) with delays of at least 15 minutes covering several miles of the westbound carriageway.
"This closure is due to a road traffic collision involving two verhicles and Highways England has resources deployed working to restore normal conditions as soon as possible."
However, some drivers say they have been stuck for just under an hour.
Okay thanks. Sat on the A303 3 miles up for just under an hour, so can’t really take an alternative route😂 but thanks for the updates
— lisa burton (@ljburty) June 4, 2019
Earlier in the day, Wiltshire Police said that officers were called out at around 4pm to the scene.
Highways England said "trapped traffic" is being turned away from the area.
#A303 westbound between #Cholderton to #Amesbury to the road is closed due a serious RTC. Trapped traffic is currently being turned. We will update you once we have further information on the closure. @wiltshirepolice are on scene dealing. pic.twitter.com/as6gu9Lobe
— Highways England (@HighwaysSWEST) June 4, 2019
The eastbound carriageway remains open.
DIVERSION ROUTES
For diversion routes, Highways England said: "Diversion route details and guidance is as follows: Solid diamond symbol.
"Exit at the A338 and travel south towards Salisbury, at West Gomeldon continue straight on to the Portway.
"At the A345 roundabout take the second exit and travel north, continue to re-join the A303."
For further information on this #A303 #Wiltshire closure including the diversion details pls click on the link to our breaking news page https://t.co/vDtvb3uhxN. Plan ahead if travelling btwn #Andover and #Yeovil this evening. https://t.co/pps66pUpe4
— Highways England (@HighwaysSWEST) June 4, 2019
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