These are all problems you have created by over-dependance on a single point of failure.
It's honestly kind of lazy not to take precautions, particularly when it's that easy - you've already listed out exactly what I'd suggest, and it's how people muddled along for decades in the before-times, more or less successfully.
I would suggest learning how to read maps. It's really easy, especially in urban areas. Find the nearest intersection, and look where it is on the map. There you are.
It's honestly kind of lazy not to take precautions, particularly when it's that easy - you've already listed out exactly what I'd suggest, and it's how people muddled along for decades in the before-times, more or less successfully.
I would suggest learning how to read maps. It's really easy, especially in urban areas. Find the nearest intersection, and look where it is on the map. There you are.