Down these mean streets...

... a man must go who is not himself mean, who is neither tarnished nor afraid.
Raymond Chandler

Although "mean" is a little harsh. These streets are just careful. Prudent. Aware of the value of things. I mean, there is a recession on, you know. We would be in a pretty pickle if all our streets were out splashing the cash.

So...

Down these justifiably cautious streets...