Railroad Trunk Line

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Railroad Trunk Line

 

a railroad line providing basic nationwide transportation ties within a country or with neighboring countries. In contrast to local lines, a trunk line has lower gradients and more gradual curves, broader and heavier tracks, and other technical improvements designed to increase its capacity.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
"Trail A: This was a railroad trunk line during World War II.
A railroad trunk line followed the river, transporting goods from Whitin Machine Works to the Providence & Worcester Railroad depot - now the site of the China Pacific Restaurant across the street from the mill.