The A419 closed northbound following a road traffic collision.
Emergency services are currently (9am) responding to reports of a multi-vehicle crash in Swindon.
Police, fire and ambulance are all in attendance.
The road is closed northbound between Commonhead Roundabout and the White Hart Roundabout.

A spokesperson for Highways England said: “The A419 northbound in Wiltshire near Swindon is closed between the A4259 Commonhead Roundabout and the A4312 White Hart Roundabout due to a multi-vehicle collision.
“A diversion is in operation (follow the route marked with a solid square symbol on local road signs).
“If you’re heading that way this morning please allow plenty of additional time for your journey.”
Click here to read the full diversion route in place by Highways England.