The A4174 ring road is blocked southbound due to an accident.
Three vehicles are involved at Marsham Way, near the retail park.
More top news
It's another mild and grey day with some rain around Gloucestershire and Bristol.
It's looking cloudy and grey into tomorrow morning with some heavier rain in Gloucestershire and Bristol.
Yeovil's new interim manager Darren Way says avoiding relegation from the football league is priority number one for the club.