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Signal passed at danger

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SPAD risk 1 - Signal Passed at Danger

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SPAD risk 2 - Signal Passed at Danger

9:09

SPAD risk 3 - Signal Passed at Danger

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Trains Passing a Signal at Danger, 19/4/19.

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Passing a Signal at Danger ! A Mini Freight Rambler Production.

A signal passed at danger (SPAD) in railway terminology of many countries, including Australia and the UK, occurs when a train passes a stop signal without authority to do so. The United States's National Transportation Safety Board (NTSB), which investigates railway accidents in that country, typically terms this as running a red signal.
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    • Causes 

    • Collision prevention systems 

    • Passing signals at danger – with authority 

    • Accidents involving a signal passed at danger without authority 

    • Accidents following a signal passed at danger with authority 

    • Accidents where the signaller incorrectly authorised a driver to pass a signal at danger