An Evaluation of Methods Used to Obtain the Railroad Preemption Queue Clearance Time
Because of the potential for serious train-vehicle accidents at or near railroad-highway grade crossings, preemption of traffic signals is a very important supplement to an active warning system. Preemption is the transfer of normal signal phasing to a special control mode with the purpose of cleari...
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| Format: | Others |
| Language: | en |
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LSU
2004
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| Online Access: | http://etd.lsu.edu/docs/available/etd-04142004-120201/ |