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Evaluation of Enhanced Traffic Control Devices at Highway-railroad Grade Crossings
Angelia H. Parham
Daniel B. Fambro
Randy W. Carroll
出版
Texas Transportation Institute, Texas A & M University System
, 2000
URL
http://books.google.com.hk/books?id=_n_lSyUVECkC&hl=&source=gbs_api