Disruption on South West Trains between Reading and London Waterloo due to signalling problem at Wokingham.
Tickets are being accepted on First Great Western between Reading and London, and London Underground services.
It is the beginning of the end of paper rail tickets for some Southern passengers travelling into London.
Commuters using the Brighton line into the capital will be able to use smart-cards, similar to Oyster-cards, at East Croydon, Clapham Junction, London Victoria and London Bridge.
The scheme will be widened out to all London stations as of next year.
Baroness Kramer launched the new scheme yesterday.
There are delays of up to 40 minutes on South West Trains between Portsmouth Harbour and London Waterloo.
A train company has been fined £75,000 after they failed to protect the safety of passengers trapped on a broken down train at Dock Junction, London, in May 2011.
A First Capital Connect service from Brighton to Bedford lost power and became stranded for three hours.
The Office of Rail Regulation found that the company had not planned its response to deal with stranded trains or to provide those on board with accurate information.
Passengers had to call National Rail Enquiries for updates. They were also told that a rescue train would be coming during the three hours they were stranded, but it never did.
The convoy is part of the 20th Ace Café Reunion event and tens of thousands of motorcyclists are expected to attend. They travel along the anti-clockwise M25 between junction 16 and 7, the southbound M23 and the southbound A23.
Ben Wates, from the emergency planning team at the Highways Agency which is responsible for motorways and major trunk roads, said:
London Gatwick saw four million passengers use the airport this August, which is up by nearly 200,000 compared to last year.
Passengers flying to European destinations continued to grow with over three million passengers choosing to fly from the airport.
The top European destinations were Spain, Italy and Greece.
A new route to Moscow with easyJet proved to be popular with over 19,000 passengers flying there from London Gatwick in August.
Long haul flights to Dubai and Vietnam also grew in popularity.
At a special ceremony in Downing Street, the Prime Minister presented the Arctic Star medal - or the Bomber Command clasp. But Arctic veteran Alec Penstone from the Isle of Wight, is 'sore' because he was not invited to the ceremony.
The new London Gatwick to Moscow service is easyJet's 100th route from the airport in West Sussex. The expansion into Russia is possible after the airline successfully bid for routes that came available when BMI was bought by BA's parent company.
Under a bilateral agreement between the UK and Russia only two airlines from each country between the two capitals. easyJet beat Virgin Atlantic Airways in getting permission to fly the route.
This is the first time Moscow has been served from London Gatwick airport with the airline expecting to fly more than a quarter of a million passengers between London Gatwick and Moscow annually.
Richard Morgan tweeting from the inquest of Tom Maynard has said:
"Rory Hamilton-Brown, captain of Surrey, also says he wasn't aware of any drugs misuse by Tom Maynard."