International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 239
fic conditions, i. e., where freight andpassenger traffic will be about equal, the invariable rule isi{se such curves as loill best coifoiin to tJic existingtopographical conditions. Any curve up to 10 degrees will be no obstacle to a speedof 30 miles per hour, the average speed of passenger… … Fig. 359, where moderate curves are possible only at great cost, it isoften a wise policy to build a temporary line, using sharpcurves, and put off the expensive work until the financialstrength of the company warrants its undertaking. RAILROAD LOCATION. 820 An instance where a temporary line is…
Railroad engineering
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