permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Railroads&oldid=18520"
First | Previous (Railroad sickness) | Next (Rails) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.