01-18-2011, 08:31 AM
Tank cars still have domes, they are just smaller or shaped differently. Cars used for hauling compressed gases do not have domes. I am unsure of what determines if a liquid carrying tank car has a dome.
http://www.globalsecurity.org/military/l...age555.gif
http://www.globalsecurity.org/military/l...age555.gif
-Dave