State isn't really best level of granularity. States do provide clear lines of demarcation, which allows for good enforcement, but closing, say, CA as a whole d

State isn't really best level of granularity. States do provide clear lines of demarcation, which allows for good enforcement, but closing, say, CA as a whole doesn't do much. You'd really want to go as granular as possible, which is what these stay-at-home orders are about.