A record number of people are expected to flock to this year's British Grand Prix after Silverstone boosted its capacity by adding two new grandstands.
The 2011 British GP attracted 315 000 people and that number is expected to increase by at least 3 500 this year following the opening of the Luffield Complex Grandstand and Silverstone Grandstand.
"We had fantastic crowds on all three days last year and interest in this year's event has been even higher," Silverstone chief Richard Phillips said.
He added: "Increasing our capacity will enable even more fans to experience the spectacle, excitement and drama of Formula One at Silverstone.
"We pride ourselves on striving to provide the best experience for fans.
"With grandstands and general admission areas offering exceptional views of the track, first class spectator facilities and a host of exhilarating off-track entertainment, the fans can expect another fantastic three days at this year's British Grand Prix."
Organisers have revealed that ticket sales for this year's race are already 10 per cent up compared to the same time last year.
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