Lol they're common in other parts of the world too, e.g. in Germany. They dont officially exist, rather informally, and end up in the UN complaining about racial profiling by cops.
Pro tip, avoid German train stations if you're not white.
> Do you mean "avoid loitering at train stations" or "avoid using trains"?
Avoid using the major traffic hubs. No joke. Cops here will even fleece you on the spot sometimes if you're black. They seem to believe that all black or rasta wearing persons are dope dealers.
If the law is broad enough that the law can be "enforced" and used to arrest anyone at any given time for almost any reason, then yes, it absolutely is oppression.
Pro tip, avoid German train stations if you're not white.