Choke Points
Low bridges and narrow tunnels in various locations prevent the operation of double-stack trains until costly upgrades are made. Some Class I railroad companies in the U.S. have recently initiated improvement programs to remove obstructions to double-stack trains. See Heartland Corridor (Norfolk Southern Railway) and National Gateway (CSX Transportation).
Read more about this topic: Well Car
Famous quotes containing the words choke and/or points:
“Now tis the spring, and weeds are shallow-rooted;
Suffer them now, and theyll outgrow the garden,
And choke the herbs for want of husbandry.”
—William Shakespeare (15641616)
“The two great points of difference between a democracy and a republic are: first, the delegation of the government, in the latter, to a small number of citizens elected by the rest; secondly, the greater number of citizens and greater sphere of country over which the latter may be extended.”
—James Madison (17511836)