What is the fastest train speed in the UK?

Class 374s are currently the fastest trains currently operating on UK shores. Known to most as Eurostar e320 trains, Class 374s have a top speed of 199mph, but are limited to 186mph while in operation. Along with their elder Class 373 cousins (Eurostar e300), operate exclusively on the HS1 line.



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The HS1 line is used by Eurostar services and Javelin commuter services from Kent, although the latter have a max speed of 140mph. Across the rest of the UK, trains have a maximum operational speed of 125mph, although many are capable of speeds of up to 140mph.

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Capable of speeds of up to 225mph (360km/h), the fully electric trains will also run on the existing network to places such as Glasgow, Liverpool, Manchester and the North West.

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The entirety of the HS2 rail link between London and Birmingham is to be scrapped and replaced with a train of Dacia Sanderos welded together, the government has announced.

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How much will tickets cost? There is likely to be a premium of between 20 and 33 per cent for using the fast service. That would in theory push the cost of a London-Manchester Anytime ticket from £180 to £240 at 2020 prices, which works out at 6p per second.

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How fast do our trains go? Well, they're not called high-speed trains for nothing. They can reach a top speed of 300 kilometres per hour (that's 186 miles per hour) on high-speed lines in the UK, France, Belgium, Germany, and the Netherlands.

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The Eurostar travels through the Channel Tunnel at a speed of 100 miles per hour (160kph) although when the train is outside the tunnel it reaches speed of 186 miles per hour (300 kph).

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HS2 was originally envisaged to operate more trains an hour and higher speeds than any comparable high-speed line elsewhere in the world. It has been estimated that this pushed up costs by about 10 per cent.

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The replacement for the now-scrapped northern portion of HS2 is called Network North, which will see £19.8 billion invested in the North of England.

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In 1934, Flying Scotsman achieved the first authenticated 100 mph (161 km/h) by a steam locomotive.

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Japan: L0 Series Maglev (374 mph) Although not yet in regular service, this Japanese train, which is currently being developed and tested by the Central Japan Railway Company (JR Central), holds the land speed record for rail vehicles, clocking in at 374 mph.

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The Glacier Express is known as the slowest express train in the world. As St. Moritz and Zermatt are home to two well-known mountains, the Glacier Express is also said to travel from Matterhorn to Piz Bernina.

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There are five lines in the UK which allow for high-speed rail travel. On four out of five lines, the maximum speed is 125mph, while the purpose-built HS1 line allows for speeds of 186mph.

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And if you're wondering how fast does Eurostar go, it travels at a maximum speed of 300 kilometers per hour (186 mph).

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