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3 Cards in this Set
- Front
- Back
Block |
A length of track of defined limits, the use of which is governed by block signals, block-limit signals, automatic speed control or any combination thereof. |
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Absolute Block |
A block between block systems, block limit systems, interlockings or any combination thereof which must not be occupied by more than one train except as provided by the rules. |
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Automatic Block Signal System |
A block singal system wherein the use of each block is governed by an automatic block signal, the cab signal indicator or both. |