Three lanes are closed due to a broken down lorry on the M5 northbound after J18A M49.
Congestion on the M5 is back to J19 A369 (Portishead).
Lanes one, two and three (of four) are closed.
More top news
The fight for 10 Downing Street kicks off today with the dissolution of Parliament - and the South West is a key battleground for votes.
The Liberal Democrats won the Bath constituency in 2010. With the current MP standing down, the Conservatives are targeting this seat.
Bridgwater and West Somerset is considered a Conservative safe seat - in 2010 they had a majority of over 9,000 votes.