. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . Fig. 2. Fig. 3. then turns back until the roads are again close together at track distance is about 14 miles and the drop a little greater,since at A the L. V. R. R. crosses over the other, while at D theyare at practically the same level. From B to C the distance isover eleven miles. From A directly down to D the C. R. R. ofN. J. runs a gravity road, used exclusively for freight, onwhich cars alone are hauled by cable. The main-line routesare remarkable examples of shee
. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . Fig. 2. Fig. 3. then turns back until the roads are again close together at track distance is about 14 miles and the drop a little greater,since at A the L. V. R. R. crosses over the other, while at D theyare at practically the same level. From B to C the distance isover eleven miles. From A directly down to D the C. R. R. ofN. J. runs a gravity road, used exclusively for freight, onwhich cars alone are hauled by cable. The main-line routesare remarkable examples of sheer development. Even asconstructed the L. V. R. R. has a grade of about 95 feet permile, and this grade has proved so excessive for freight workthat the company has constructed a cut-off (not shown on themap) which leaves the main line at A, nearly parallels theC. R. R. to C, and then running in a northeasterly directionagain joins the main line beyond Wilkesbarre. The grade isthereby cut down to 65 feet per mile. Rack railways and cable roads, although types of mountainrailroad construction, will not be here cons
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