It happened on the northbound carriageway between J26 for Wellington and J25 for Taunton on Friday morning.
It's thought 3 vehicles were involved in the incident.
One person dies, several injured, in M5 crash
More from Local News
-
Call for filming of violence to be made illegal
Violence by girls rose last year in Plymouth
-
Motorcyclist seriously injured in Plymouth crash
Police are appealing for witnesses
-
Developers will pay more for Dartmoor plans
Fees and charges to rise across the national park
-
Doubt over benefits of new Dartmoor phone mast
Site visit arranged as locals say new mast not needed
-
Illegal vapes and cigarettes seized from Devon shop
Police say they are a risk to humans
