Yes it should be capitalized.
Yes, "Interstate 5" should be capitalized because it is a proper noun referring to a specific interstate highway.
Yes, you should capitalize the "N" in "I-75 North" as it is the correct way to indicate direction on a highway or interstate.
Yes, the word "Interstate" should be capitalized when referring to the Interstate Highway System in the United States. However, it is not necessary to capitalize the word "interstate" when using it in general terms outside of this specific context.
Yes,it is a five letter word.
The prefix of interstate is "inter-".
In "Yours truly," you capitalize the first letter of each word if you are using it as a complimentary close in a letter, as it is a formal sign-off.
Yes it should be capitalized.
Yes, the word "Interstate" should be capitalized when referring to the Interstate Highway System in the United States. However, it is not necessary to capitalize the word "interstate" when using it in general terms outside of this specific context.
Yes,it is a five letter word.
You mean if you are writing out the number like "thirty-five"? No. You don't capitalize it in the middle of the sentence.
Yes, South of Portland on Interstate Five.
No, because it is fewer tha n five letters .
No, because it is a preposition and it is also fewer than five letters.
In Lane County Oregon, about 60 miles inland on Interstate Five.
If you are talking about the building in Washington, yes. If you are talking about a five-sided geometrical figure, no.
About a five hour drive on Interstate 90. Or about 280 miles.
The Eisenhower interstate system does require that one mile in every five miles must be straight. The straight sections are usable as airstrips in times of war or other emergencies.
No