In the US a lot of us grew up with the idea that when something really bad was happening you would dial 911 and people would appear very soon to help you. I don't know whether this myth was ever true, but it certainly is not true today. I have called 911 or its equivalent more than a dozen times on three continents. No magic helping people appear within five minutes. Or ten. Usually not twenty either. Sometimes not a…
> But if you call 911 in Manhattan and tell them you are on 4th Street they will ask you if it's East or West 4th. Why is that an unreasonable question? People calling in emergencies are generally stressed and often very bad at accurately communicating where they are. A few clarifying questions, even if they don't make sense to you, can go a long way towards verifying the information they're being given.
> They will even ask you this if you say you're on 3rd Avenue
"4th street and 3rd ave" is a unique identifier. The East/West part is only relevant if you give the street + a house number, with no cross-street.