I have a question about the meaning of "line" in this news article:
The Wurzburg attack was on a train travelling from the Bavarian town of Treuchtlingen to Wurzburg, which is about 60 miles northwest of Nuremberg. The line was closed.
I don't quite get the intended meaning of "line" in the article. Dictionaries suggest two possible definitions:
a system of transportation, including ships, buses, trains, etc.
a railroad track, usually as part of a larger railroad network
Both definitions seem to fit the usage in the news article. Which one should be used then?