The collision between several vehicles happened shortly after 2pm - motorists faced 20 minute delays.
The incident occurred between J27 and J26 near Tiverton.
Westacott Road has now reopened following police investigation work.
Keith Beviss, 54, of Honiton appeared at Exeter Magistrates court charged with the murder of Philip Ryan from Westward Ho!
max temp: 19°C
min temp: 12°C