Answer:
Unreliable
Explanation:
To be trustworthy or faithful is to be relied on and be a honest or truthful person. To be unreliable is the opposite of this.
Hope this helps
A to 2, B to 3, C to 1, and D to 4. Happy to help! ☺
True, the supporting details should some in the following paragraphs (that's what I learned anyway - it may be wrong)
It is in a remote location
railway depots are on open land; locomotives pull trains which are usually not in populated cites
