The M4 eastbound between J15 (Swindon, A419, A346) and J14 (A338, Hungerford) is closed due to a serious collision. Thames Valley Police are on the scene.
A diversion is available and the route is marked out with a hollow circle symbol on local road signs. This will take traffic via the A419 northbound to the Commonhead Junction. Exit and take the B4192 eastbound to Hungerford. Turn right and take the A338 southbound to rejoin the M4 at J15.
Road users are advised to allow additional time for their journeys.
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