Railroad lines refer to the tracks or pathways on which trains run. They are like roads for trains, allowing them to move from one place to another. Full definition
The city's prominence arose from its historical importance as a center for the oil and cotton industries, and its position along numerous railroad lines. (payscale.com)
However, if we include emissions associated with building infrastructure like railroad lines and roads the actual carbon footprint of a vacation can increase significantly. (powershift09.org)
A trolley line in the broad, tree - lined median of Euclid Avenue formerly connected Upland to the Southern Pacific Railroad line in Ontario. (payscale.com)