No; not unless it's used as part of the street's title, e.g. Walnut Street.
You are going to the library on Main Street.
No, it would not be capitalized, but it should be pluralized.
If you're talking about a certain street, yes you capitalize it, for example Main St. or Elm St.
This is an imperitive sentence making the subject you.
Yes, "Oak Street" should be capitalized because it is a proper noun referring to a specific street.
Yes, Main Street should be capitalized assuming it is the name of a street. If you are simply referring to a particular street that is seen as being main then it shouldn't be capitalized. (e.g. the main street of the city runs for miles)
If 'Third Street' is the name of a street, it is a proper noun. Proper nouns are always capitalized (both words). In the sentence, "Maple Street is the third street after the light.", the word 'third' is functioning as an adjective to describe the common noun street (not the name of the street).
Yes. The heading reads, "The Wall Street Journal".
The word streets isnot capitalized except at the begi n ni ng of the se nte nce. However, the names of the streets are capitalized. Examples: Paso ng Tamo Street Ayala Street
Yes, "Thirty-Fourth Street" would be capitalized because it is a proper noun referring to a specific street.
Yes.
No, except at the beginning of a sentence because it isnot a propernoun.