You're right that our streets are designed to encourage dangerous driving, and therefore the planners should bear at least as much blame as the individual drive

You're right that our streets are designed to encourage dangerous driving, and therefore the planners should bear at least as much blame as the individual drivers. But they are designed that way because of toxic individualism. This is a country run by people who heard Thatcher's "there is no such thing as society" speech and agreed with it.