Means by which motorists and pedestrians are warned of danger at railroad level crossings are described and desirability of relocation of some level crossings is referred to; development of level crossing warning devices and modern practice are described; superiority of half-arm barrier is established.
Railway level crossing protection
New Zealand Eng
New Zealand Engineering ; 20 , n 11
1965
9 pages
Aufsatz (Zeitschrift)
Englisch
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