Revision of manual; highway crossing signals and signs; comparative merits of grade-crossing protection; economic aspects of grade-crossing protection in lieu of grade separation; classification of highway grade crossings; record of railroad and highway traffic grade crossings; relative benefits to public and railways from gradecrossing protection or elimination; specifications for location, height and illumination of signs protecting grade crossings; highway-crossing accident report form.
Grade crossings
Am. Ry. Eng. Assn. -- Bul
American Railway Engineering Association -- Bulletin ; 32 , n 329
1930
29 pages
13 Figs.
Article (Journal)
English
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