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There's also the traditional transport operation to make those crowds of revellers get into and out of London safely.
Piers Hopkirk reports now on the preparations ahead of tonight's festivities.
Despite the bad weather, up a quarter of a million of people are expected to converge on the capital tonight to welcome in 2013.
Many will head for the banks of the Thames to get the best vantage points for the traditional New Year's fireworks display.
Nick Thatcher spoke to Jim Donald from Jack Morton Worldwide in his report.
Tourists from all over the world are looking forward to celebrating New Year's Eve in London, despite the wet and windy weather.
Jim Donald, from Jack Morton Worldwide, who is executive producer for London's New Year's Eve party,said: "We're thrilled again to be a part of New Year's Eve. We've been running this for the last nine years.
"We opened the year, a spectacular year, just 12 months ago and we're going to close the year off in hopefully an even bigger and better way."
Tube, DLR, tram and some National Rail services in Greater London will run all night on New Years Eve.
Night and 24 hour bus routes will run as normal, but there will be a reduction in bus services leaving central London from around 5pm to around 3am on New Year's morning because of road closures.
There will be free London travel on bus, Tube, tram and DLR from 11:45pm until 4:30am and on London Overground until last trains.
For more details visit the TfL website.
As London gears up to celebrate the end of 2012 for the capital, Transport for London and Diageo reveal the operation on New Years Eve to ensure everyone gets home safe free of charge.
Tube train doors will open and close around 64,000 times between 11.45pm and 4.30am.
More than 19,000 bus stops will be visited by nearly 8,000 buses.
Buses will collectively clock up at least 40,000 miles on the capitals roads to get everyone home after the party.·
The transport networks 400 escalators will cover a total of 39,000 miles during the night - equivalent to lapping the world one and a half times.
A total of 561,496 miles will be travelled to get around 2.5 million people home.
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Tube, DLR, tram and some National Rail services in Greater London will run all night on New Year's Eve.