| 31. | Since 1990, there have been eight collisions and derailments.
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| 32. | One person died in the derailment and 77 were injured.
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| 33. | A derailment can stop a train much more quickly than its brakes.
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| 34. | Tuesday's incident was the first derailment this year.
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| 35. | Since August 1991, there have been seven subway derailments.
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| 36. | Most of them ( derailments ) involve a couple cars tipped over,
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| 37. | Would the rubber tires pose a greater hazard of derailment?
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| 38. | Most of the passengers were sleeping as the derailment occurred.
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| 39. | Freight trains were backed up on either side of the derailment Saturday.
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| 40. | It's easy to imagine spectacular collisions and derailments.
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