In Bristol, there's a traffic light failure on the B4053 Baldwin Street with the junction of Marsh Street in the city centre.
CCTV reporting the lights are not phasing correctly. Sometimes they are on green in all directions at the same time. Engineers are aware.
- UPDATE 06:43: Traffic lights are now working correctly.
There's slow traffic on the M4 eastbound between J20 M5 (Almondsbury Interchange) and J19 M32 (Bristol).
Cameras now show traffic using the new hard shoulder.
There are reports of slow traffic due to an obstruction on the road on the A370 near the B3128 Ashton Road (Failand turn off).
There are delays of up to 25 minutes on First Great Western services between Swindon and Bristol Parkway due to a signalling problem in the Alderton Tunnel.
There is no estimate for normal service.
A replacement bus service is running between Swindon and Gloucester, due to an obstruction on the line between Kemble and Stroud.
Journey times are extended by up to 30 minutes.
There are delays of up to 20 minutes on First Great Western services between Bath Spa and Westbury, and between Bath Spa and Swindon due to a signalling problem at Chippenham.
Delays expected until around 7:00am.
Wimborne Road is closed in both directions due to a serious accident between Tarrant Rushton turnoff and Tarrant Keyneston crossroads.
The accident is outside the Ashley Wood golf club, and the road is likely to remain closed until mid afternoon.
The A4 Bath Road in Chippenham is closed in both directions at the Bridge Roundabout due to an accident involving a pedestrian.
There's queueing traffic on all approaches to the roundabout due to an accident involving a pedestrian.
Two lanes are closed on the M5 in Gloucestershire due to an overturned lorry between J11A A417 ( Brockworth Bypass) and J12 B4008 (Quedgeley/Hardwicke).
Lanes one and two (of three) closed. A lorry has struck a bridge, overturned and shed its load.
The A38 Gloucester Road in Bristol is blocked due to an accident involving a cyclist and a car near Zetland Road. Traffic is slow moving.