The A3102 at Snow Hill, Goatacre, was partially blocked after a road traffic collision this afternoon.
South West Ambulance Service said a 68-year-old woman was taken to the Great Western Hospital in Swindon with a suspected minor chest injury after the incident near Hilmarton, at 1.45pm.
It involved a white Ford Focus and a blue Kia and motorists were being asked to use alternative routes until the road was cleared.
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