Last Updated
：2025/11/29
cautionary block
（ plural ）
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(railways) A block in which two or more trains are permitted to travel, with certain restrictions.
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cautionary block
During the fog, the dispatcher authorized two slower trains to enter the cautionary block with strict speed limits to maintain safe separation.
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During the fog, the dispatcher authorized two slower trains to enter the cautionary block with strict speed limits to maintain safe separation.
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