it sounded like a freight train rushing down the tracks
A roar is a noun. To roar is a verb.
How loud is a "loins" roar? I have never heard my loins roar.
Roar
It is personification without meaning to use personification
The sudden roar of the train was unsettling.
alliteration
Yes, "Friday Night Lights" does contain personification. For example, when the town is described as "breathing" with excitement, or when the stadium is said to "roar" with anticipation, these are examples of giving human characteristics to non-human entities.
As the train put on it's breaks the railroad gave out a screech.
Often they are not. Many tornado produce a loud roar often said to be similar to that of a freight train.
it sounded like a freight train rushing down the tracks
Yes. A tornado often produces a loud roar from a combination of the wind and buildings and trees being torn apart. It is said to sound like a freight train.
The darkness fell like a heavy blanket over the town.
A roar is a noun. To roar is a verb.
Metaphor
Yes, the word 'roar' is both a noun (roar, roars) and a verb (roar, roars, roaring, roared).Examples:We heard the roar of a lion in the distance. (noun)The boss will roar when sees this mess. (verb)
RARRRRRRRRRRRRRRRRRRRRRRRRRRRRRR