There were also problems on the London Underground's Jubilee Line because of signal failure at Neasden.
BBC: Signal failure delays commuters travelling west of London
They heard extra capacity is being built on the Jubilee line, the Docklands Light Railway to Woolwich and Stratford International.
There were severe delays on the Bakerloo line and minor delays on the Jubilee line due to a signalling systems failure.
The Jubilee Line's planners failed to foresee the problems caused by the introduction of a novel tunnelling technique and a high-tech signalling system.
Tube drivers on the Jubilee Line have voted to go on two 24-hour strikes in a row over working conditions and claims of bullying.
Many of these mining engineers have already worked on projects like the Channel Tunnel and the Jubilee line extension so they're not easily impressed.
And investments, including the Underground's current star project, the Jubilee Line extension, have sometimes been guided more by political considerations than by careful cost-benefit analysis.
In March, a multi-million-pound fraud trial over the construction of the Jubilee Line on London's underground was abandoned after nearly two years when a disgruntled juror walked out.
In fact they're beneficial because the building moves thermally more than is caused by the Jubilee Line and the movements concentrated around the cracks and, if they didn't, there'd be cracking elsewhere.
Barriers similar to those on the Jubilee line protect all of the platforms so when the doors open the passengers simply pile on safely without the need for staff on the trains.
This setback came a week after the announcement of further delays on one of Britain's largest construction projects, the extension of London Underground's Jubilee Line from Westminster to Stratford in east London.
TfL and London Mayor Boris Johnson were criticised in 2010 when delayed upgrades and maintenance work on the Jubilee Line led to several sections being shut for about 100 weekends in total.
In the summer the RMT claimed London Underground (LU) planned to move the entire Jubilee line to driverless operation within three years, with trials starting later this year, with other lines to follow.
Her father, Phelim, 38, is a manager at Wembley Park station, her 17-year-old brother Phelim is a trainee at the maintenance firm Tube Lines and her godfather is a driver on the Jubilee Line.
TfL has warned the Jubilee Line from Waterloo to Stratford, the Central Line from Holborn to Stratford and the entire Docklands Light Railway (DLR) will see the largest number of passengers during the Games, particularly between the peak hours of 0730 BST to 0930 and 1600 to 1900.
At the more upscale Jubilee Chocolatier dessert cafe in Seoul, women line up on the days up to Valentine's Day to buy handmade chocolates that can be customized with their loved one's initials.
应用推荐