http://www.devonlive.com/live-accidents-cause-heavy-traffic-around-exeter-ahead-of-little-mix-concert/story-30440539-detail/story.html
and the traffic chaos then continued after Little Mix performance.
http://www.devonlive.com/little-mix-traffic/story-30441781-detail/story.html
I just avoided it up the Ashcombe road over the top to Exeter or i could have gone Mamhead straight turn right and through the lanes to Exminster but i prefer the thrill of the M5.