I used to go out alone as a kid in Mexico City, but only within walking distance of my home. I was 12 the first time I rode public transportation on my own. Not

I used to go out alone as a kid in Mexico City, but only within walking distance of my home. I was 12 the first time I rode public transportation on my own. Nothing ever happened to me, but within my social class it was seen as dangerous and unusual that my parents would let me ride the metro and peseros alone (I used to go to the most expensive private school in Mexico City).