There are long delays for drivers using the A4174 Bristol Ring road today (May 8).
A traffic light failure is causing heavy traffic around Emersons Green.
The lights have failed near Emersons Way (Rosary Roundabout) and the A432 Badminton Road (Wick Wick Roundabout).
At 2pm, traffic monitoring site Inrix said: "Approach with care.
"The traffic lights at the roundabout are stuck on red.
"(There is) queueing traffic due to the traffic light failure."
In Bristol Live's traffic and travel Facebook group, Kate Neal said: "The traffic lights stuck on red at Sainsbury's on Emerson's Green."
She added it is causing "long tailbacks".
Heavy rain during a storm has also caused some traffic issues in Bristol, with flash flooding in places.
A crash on the M4 saw all traffic held , while you can follow general traffic and weather updates here.
