Will a train stop if someone is on the tracks?

There are countless reasons never to walk, run or play on rail tracks and rail property. Most people don't know it can take more than a mile to stop a train — the equivalent of about 18 football fields. That makes it difficult, if not impossible, for a train to stop if someone is on the tracks.



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Because of their size, weight and speed, trains do not stop quickly, even under emergency conditions. From the time the brake is applied to the time that the train stops, it may cover more than a mile of track.

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Trains can't stop quickly or swerve. The average freight train is about 1 to 1¼ miles in length (90 to 120 rail cars). When it's moving at 55 miles an hour, it can take a mile or more to stop after the locomotive engineer fully applies the emergency brake.

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Railroad tracks guide the train, acting as the low-friction surface on which the train runs and often transferring the weight of the train to the ground below. The track may also provide electrical power along the third rail, as you'll recall.

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The train whistle, or horn, is an important part of our safety practices. The horn alerts people that a train is approaching a railroad crossing. It can also be used to warn animals or trespassers in our right-of-way along a section of track.

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Surrounding terrain also can affect sound. For instance, in the instance of a train passes through a corridor of trees, those trees can muffle the sound in much the same way as sound baffles that line the walls of a recording studio.

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Stop, look both ways, and listen. Know that trains always have the right of way. Don't stop on the tracks. Make sure you have room to get across.

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Wave a red flag at the train to signal for it to stop.
  1. If you don't have a red flag, try using a red shirt or some red fabric.
  2. Try to signal the train to stop as far away from the threat as possible so it has more time to slow down and stop.


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The mechanism of an emergency brake may differ, depending on railcar design. Emergency-braking a train (without track brakes) will give about 1.5 m/s2 (0.15 g) deceleration. The braking distance will be approximately 250 m (820 ft) at 100 km/h (62 mph) and 600 m (2,000 ft) at 160 km/h (99 mph).

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Fact #4: Trains Can Stop, But Not Quickly That's the length of 18 football fields. So if you think a train can see you and stop in time, think again. Trains cannot stop quickly enough to avoid a collision, which is why vehicles should never drive around lowered gates or try to “beat” a train.

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Unless you're taking the Auto Train, plan to arrive 30 minutes before your scheduled departure. If you need assistance with baggage and/or ticketing, we recommend you arrive 60 minutes early.

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The world's longest and heaviest train operated on June 21, 2001, between Newman and Port Headland in Western Australia. The train operated 170 miles (274 km) with 682 loaded iron ore cars.

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When you pull the emergency chain of the train, the pressure falls on the main brake pipe of the train, which is connected to the alarm chains. The air that is stored in the brake is released when the chain is pulled, slowing down the train.

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Fact #8: Trains Travel in Both Directions Tracks aren't one way, so even if you've seen a train traveling east, a train could travel west on the very same track.

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Most early American railroads were designed by English engineers who brought with them expertise, equipment, and a left-side tradition. This is most likely why the theory arose that they were responsible for our left-handed system. However, the first double-track designs in the East were American style.

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Velocity is the change in position, acceleration is the change in velocity, and jerk is the change in acceleration. It's called 'jerk' because you perceive a jerk when acceleration changes rapidly. the faster you stop the more the jerk will be.

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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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