April 4, 2007 - On Board TGV V150, France - A supercharged French TGV on Tuesday smashed the world speed record for a train on rails, hurtling through the countryside into the history books at 574.8km/h.

Powered by two souped-up locomotives carried on extra-large wheels, the Train a Grande Vitesse (TGV) easily beat the previous record of 515.3km/h set by another TGV in 1990. As its peak, it was travelling at close to half the speed of sound.

Dozens of journalists, technicians and VIP guests - including dignitaries and business leaders from China and India - were on the three carriage black and blue train for the record.

Television screens flashed up the speed to passengers, flicking between the view from the driver's cabin, images of the tracks flying past, and a jet plane monitoring from overhead.

On the specially prepared track between Paris and Strasbourg - in the heart of French Champagne country - the vibrations grew as the TGV picked up speed.

Tension surged as it past the 400km/h mark, there were cheers as it broke the 1990 record and visible relief on the faces of the French technicians as the new official record of 574,8km/h was announced.

The special train, codenamed V-150, was at one point travelling at more than 150m per second. It reached similar speeds in trials in recent months, but this was the first test to be officially monitored.

It narrowly missed the overall world train speed record of 581km/h reached in 2003 by a Japanese magnetic levitation, or Maglev, train - which does not come into contact with rails.

Patrick Lannoy, director of the RFF rail network on the Paris-Strasbourg line, said it was too dangerous to take on the Japanese record. "There was no way we could try the Maglev record, 580 was running too many risks, we were heading into the unknown."

France's TGV trains have been operating since 1981, daily reaching speeds of 320km/h over some 1 600km of track. The new Paris-Strasbourg line will come into service in July, cutting the travel time from four hours to two hours and 20 minutes.

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