The M4 is closed westbound between J15 (Marlborough and Swindon) and J16 due to the accident, which involved two vehicles at 3.30am. It is not known if there are any injuries and the road is expected to be closed for hours this morning. Highways England said: “The M4 is currently closed westbound between J15 (Marlborough and Swindon) and J16 (Wooton Bassett).
“This is due to a serious road traffic collision.
“Wiltshire Police are on scene leading the incident alongside the Ambulance Service and Highways England Traffic Officers.
“A diversion is in place. Please follow the ‘Hollow Triangle’ diversions symbols via the A419 (Swindon East) then take the A4259 towards Swindon.
“Continue on the A4259 to join the B4289 (near Gorse Hill). Then join the B4006 (towards Westmead) onto the A3102 (Toothill) and then rejoin the M4 at J16.
“Please allow plenty of additional time for your journey if travelling in this area this morning.”
This is a developing story, more to follow…