It seems that the earth beside the train track collapsed from the heavy rain and covered the tracks.
The train has stopped since somebody trespassed on the train tracks.
"Well, sorry. I’m not really in that kind of mood right now." "Honey, what’s going on? " "Well, I just saw a guy commit suicide on the railroad track over there."
A line that runs on a road is a railroad track. First you have to get into your mind that the "line" in question is a railway line. Then, what railway line runs on a road and what kind of road is it? It's a railroad track.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.