Traffic on the M5 heading north is facing delays of around 45 minutes after a crash.
Highways England said the incident happened between junctions 27 (Tiverton) and 26 (Wellington).
It is believed to have happened at around 11.15am.
A lane of the northbound carriageway was closed but has now re-opened.
Delays are around 45 minutes, Highways England said.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here