Given a travel related situation, and given a specific question about the situation, summarize the question into a title
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Question: My friend is away from home right now; he lives in Ohio and has had a car accident in the state of New Jersey. What does he need to do locally before he can return home? He says a state trooper took his testimony; should he stick around and ensure a police report is filed or can he leave and handle anything else via mail?


Answer: What needs to be done locally in case of a car accident while travelling in the US?


Question: At least in Vancouver Airport one has to spend a lot of time to get to the electronic customs declaration kiosks. This got me thinking - is it possible to fill out the paper based customs declaration (form E311) instead (saved up from a previous overland trip) instead of using the electronic version? One could then skip the first queue and directly stand in line for the immigration officers. 

If it matters, I'm a Canadian resident who is not a US/Canadian citizen.


Answer: Can you fill the printed customs form to save time in Canadian airports?


Question: There are many times when I'd like to jot a short note in my passport. For example, the business purpose of an entry into a country -- or for countries with automatic passport control and when I don't get a stamp, I'd like to notate my entry and departure. 

Can one write in one's own passport? I wouldn't of course write over any stamps, but I might write near them. Or could I use a back page as entry and departure dates?

Yes, I could use a separate piece of paper or a computer file, but having them all in my passport would be handy -- especially when a border officer asks where I've been and why. 

And if the laws vary by country, can you note this in your answer? Would it matter if my notations were in ink or pencil? These aren't doodles but business-like annotations and lists.


Answer:
Can I write notes in my passport?