No driver, no signals…then how will 350 kmph trains will run? Will be controlled from space by…, train is…

China is preparing to take its high-speed railway system to the next level by developing a satellite-based control mechanism for trains travelling at speeds of up to 350 kmph. The ambitious plan aims to make train operations safer, more efficient, and eventually fully autonomous.

China plans to run trains from space

China has already built the world’s largest high-speed rail network, covering more than 50,000 kilometres, and plans to expand it to 60,000 kilometres by 2030. Unlike India’s Vande Bharat trains, which run at speeds of up to 160 kmph, China’s bullet trains regularly operate at speeds between 300 and 350 kmph.

Now, Chinese researchers are working on a system that would allow these trains to be monitored and controlled with the help of low-Earth orbit (LEO) satellites, reducing dependence on traditional ground-based signalling systems.

How will satellite-controlled trains work?

Under the proposed system, a constellation of low-orbit satellites will act as the “eyes and ears” of the railway network. Continuous communication between trains and satellites will provide real-time information about a train’s location, speed, and track position.

The data will be transmitted to control centres on the ground, where computers will constantly analyse traffic conditions and send instructions to trains regarding acceleration, braking and route management. The goal is to ensure that trains maintain safe distances and avoid collisions.

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Why is China developing this technology?

China’s push for automated train operations comes years after the deadly Wenzhou high-speed rail accident in 2011. A lightning strike reportedly damaged the signalling system, causing two trains to collide. The crash killed 40 people and injured more than 200.

Since then, Chinese scientists have been exploring ways to reduce reliance on conventional signalling infrastructure and improve operational safety.

Weather and Natural Disasters May Have Less Impact

According to the proposed model, satellite-based control could make train operations less vulnerable to disruptions caused by storms, floods, earthquakes, or power failures affecting ground infrastructure.

The technology could also pave the way for driverless high-speed trains, similar to automated metro systems but on a much larger scale and at significantly higher speeds.

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