in normal operations occurred as a result of the 2004 Chūetsu Earthquake ; no injuries were reported from this accident.]]
A is an accident on a Railway whereby a Train leaves the rails, which can result in damage, injury, and death.
There are several main causes of derailment: broken or misaligned Rail s, excessive speed, and faults in the train and its Wheel s. Derailment can also occur as a secondary effect in the aftermath of a collision between two or more trains. Trap Point s protect main lines from runaway vehicles by deliberately derailing them to bring them to a stop.
Flangeless wheels make it easier for a Locomotive to negotiate Curve s, but make them more prone to derailment.
Rerailing a train after it has derailed is not an easy task, and often requires the use of large rail mounted Crane s.
''Most railway accidents involve derailment. See List Of Rail Accidents .''
- , who continues on to the Nation's Capital the next day.
- noon express, traveling from Boston to Lawrence, Massachusetts, at forty miles an hour when an axle breaks at Andover, and the only coach goes down an embankment and breaks in two. Only one is killed, the twelve-year-old son of President-elect Franklin Pierce , but it is initially reported that General Pierce is also a fatality. He was on board but is only badly bruised. The baggage car and the locomotive remain on the track.
- passenger cars tumble down a hundred foot ravine above the Cheat River in West Virginia, west of Cumberland, Maryland, after they are by a loose rail.
- after running away down a steep gradient; brake power was insufficient for the weight of the train. Around 800 deaths estimated, 540 officially confirmed. The world's worst ever derailment, and worst rail disaster up to the end of the 20th century.
- train derailment, at Winslow Junction on the West Jersey and Seashore Line tracks near the Winslow Tower, shortly before mid-night, Train 33 derails when the seashore bound locomotive going more than 90 miles per hour sped through an open switch. 4 passengers, the engineer, fireman and conductor were killed.
- express passenger train, jumped off the track on the Bennington Curve near Altoona, Pennsylvania and tumbled down a large hill. 24 killed, 131 injured.
- failure caused a British Rail Class 365 to derail on the approach to Potters Bar Railway Station . As a result, the train slid sideways across the station platform, killing six on the train and one under the road bridge.
- which remained depressed because of the drivers weight, and the guard who could have applied the emergency brake, but was in a Microsleep at the time - were found to be the direct causes of the incident.
- Pendolino service from London Euston to Glasgow Central , travelling on the West Coast Main Line derailed owing to stretcher bars having become disconnected.
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