There are severe delays on the M4 eastbound between J17 (Chippenham) and J16 (Swindon West).
A vehicle has broken down in the roadworks area, causing delays of over an hour.
More top news
A verdict is expected today at the inquest of a 14 year-old girl who became trapped under a capsized speedboat near Brixham harbour.
Cloudy with more rain
More than 100,000 visitors are expected at the Royal Bath and West show