Some motorists trapped overnight were caught in treacherous conditions on the M23 in Sussex and on the A23 in Kent
Here are the details of some of the roadworks planned in the South for the coming week.
Ryanair should have compensated passengers whose flights were cancelled because of volcanic ash in 2010, the EU's top court has found.
The A20 London Road in West Malling is closed both ways closed due to accident between a car and a cyclist between Town Hill and Church Road / Trottiscliffe Road.
The A281 is closed both ways due to serious accident at the B2117 / Shaves Wood Lane (Poynings Crossways).
The single vehicle accident happened at around 06:30 this morning.
The A32 both ways has been closed due to serious accident between A272 (West Meon Hut) and Fawley Lane.The accident is not far north of the A272 junction. The road is likely to remain closed until late afternoon for accident investigation work and recovery.
South West Trains tweeted this picture of a tree on the line at Sherborne. They say staff are expected on site to move it in the next 20 minutes.
One lane blocked and slow traffic due to accident, five vehicles involved on M3 Southbound between J11 A3090 / B3335 (Winchester South) and J12 A335 (Eastleigh). Lane three (of three) is obstructed
Managers at Heathrow Airport say the site is now fully operational, and is returning to normal after the emergency landing of a British Airways aeroplane this morning.
Ringmead in both directions is closed due to flooding between Hanworth Road and the A322 Bagshot Road / Opladen Way. A large water leak has been reported along Ringmead towards Sainsburys. It remains unclear as to the exact cause, possibly due to subsidence causing a water main to burst.
There are reports of an accident on the M25 clockwise between J29 A127 (Romford) and J30 A13 (Lakeside / Tilbury). The reports say a vehicle, possibly a lorry, striking the central reservation.
Disruption on Southern between Uckfield and London Bridge, between Purley and London Bridge and between Gatwick Airport and London Bridge due to earlier signalling problem at Honor Oak Park.
All lines are open, however delays of up to 30 minutes can be expected until around 12:00. Buses replace trains between Uckfield and Crowborough. Tickets accepted on London Underground and Southeastern services. First Capital Connect no longer affected.
M2 London bound closed, queueing traffic due to accident, car and a van involved between J7 A2 Canterbury Road / A299 Thanet Way / Brenley Lane / Homestall Lane (Brenley Corner) and J6 A251 (Faversham), congestion on A2 to A2050 and on A299 to A2990 Thanet Way (Clapham Hill West).
Accident just after the A2. The motorway remains closed from Brenley Corner. Air ambulance attended. Long delays on Thanet Way from Seasalter and A2 from Canterbury.