In Sussex, the A272 Horsham Road is closed in both directions closed due to an accident between A283 Petworth and The Luth, Wisborough Green.
The A3054 Fairlee Road on the Isle of Wight is partially blocked in both directions with slow traffic due to the festival between Victoria Road and A3021 Whippingham Road.
And, in Hampshire, the A30 London Road is partially blocked due to an accident involving a motorbike at Greywell Road.
There are delays of up to 20 minutes on First Capital Connect between Bedford and Brighton, and on Southeastern between Kentish Town and Sevenoaks, due to a signalling problem.
The A2038 Hangleton Road is blocked due to an accident at West Way outside The Grenadier pub.
The A299 Thanet Way, London bound, is partially blocked with slow moving traffic. An accident has left a car in the central reservation at Waterham Road, with congestion back to the A2990 Whitstable.
There's queueing traffic on the M25, clockwise, at the A282 QE2 Bridge / Dartford river crossing, with congestion to J30 A13 Lakeside / Tilbury.
One lane is blocked due to a broken down vehicle on the A27 Lewes Road in Polegate, westbound, between A2270 Polegate By-Pass and A26 Beddingham.
Two lanes are closed due to an accident on the M20, London bound, between J11 B2068 Hythe / Westenhanger and J10 A20 Ashford South.
The A343 in Highclere, Hampshire, is partially blocked in both directions due to a fallen tree between Star Lane and the A34 / Andover Road.
Delays are possible on Red Funnel and Wightlink ferries this morning due to the high volume of traffic expected for the Isle of Wight Festival.
Red Funnel say a 3 jet shuttle will run during busy periods, and a revised schedule is running for Wightlink.
Police say the M4 London bound entry slip road has been closed due to flooding at J12 A4 Theale.