What happens if you touch a live train rail?

If you touch the rail, you will “stick” to it. The DC current that flows through it will pull you in and not let go until the emergency services are able to switch the power off. Nearly half of the UK rail network is now electrified – and more than 30 per cent uses a third rail to power the train.



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With 18 volts, you can feel a very slight tingling, but nothing more... unless you lick them or press your lips to the rails. Not that is a shock! There's no real harm, unless you're running high voltage (10,000 volts) or a lot of current, 50 amps or so, should do it.

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If you touched the live third rail and any one of the others, or to the ground, yes. It's not only at a high voltage, but it's also DC which has the effect on your muscles of clamping on so you can't move. At least AC is at zero Volts every so often... But between the two normal rails probably not.

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The third rail is probably the hardest danger to see. It looks just like an ordinary rail, but it carries 750 volts – easily enough to kill you. It's designed to send power to the train, but you are 70 per cent water and the perfect conductor for this electricity. If you touch the rail, you will “stick” to it.

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The metaphor comes from the high-voltage third rail in some electric railway systems. This third rail, used to power trains, usually results in the death by electrocution of anyone who comes into direct contact with it.

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This is why birds do not die from landing on power lines, and subway rats do not get electrocuted even if they run across the third rail; they are not bridging the energized wire or rail to a grounded part of the structure.

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In the United States it is the law, same as if involved in a vehicle to vehicle accident or accident with a pedestrian on the road is the same on the railroad, the law and railroad operating rules always require stopping the train after an accident or incident and rendering aid to injured people.

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There's no rail friction to speak of, meaning these trains can hit speeds of hundreds of miles per hour. Yet high speed is just one major benefit of maglev trains. Because the trains rarely (if ever) touch the track, there's far less noise and vibration than typical, earth-shaking trains.

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What can stop a train in real life? The most common way is to use the brakes. The brakes are located on each wheel of the train and are applied by the train engineer. The engineer can apply the brakes manually or automatically.

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What happens if you stand too close to a train? Air between person and the train moves with high velocity due to dragging effect and the air behind person is approximately still.

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“People assume that trains are loud, but that assumption is based on the fact that when a train's gone past them in a station it's noisy. That's because the noise a train makes is mainly projected to either side. When trains are moving directly towards you they are barely audible–until it's too late.”

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Walking on or beside railroad tracks is illegal. The only safe place to cross tracks is at designated public crossings with a crossbuck, flashing red lights or a gate. Crossing anywhere else is illegal.

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Freight and passenger railroad cars and locomotives have flanges on the inside of the wheel. The inside of the wheel has a larger diameter than the outside. The flange keeps the wheels on the track. The same principle is used on model railroads and most toy trains.

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Modern trains have lots of stuff underneath. Motors, gearboxes, big boxes of power electronics, etc, etc. There is very little spare room under many trains, and chances are something will grab you and bundle you up into a disorganised mess of broken limbs. You probably won't die straight away, it'll take a while.

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The middle of the train is by far the safest for persons. The National Transportation Safety Board does not release comprehensive data on where victims were sitting during fatal train accidents, though some details are available in individual investigative reports.

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