Columbia subject headings:
Environmental health--Government policy--United States--Decision making--Case studies.
Environmental health--Government policy--United States--Decision-making--Case studies.
Policy sciences--Case studies.
Public health--United States--Decision making--Case studies.
Public health--United States--Decision-making--Case studies.
Traffic safety--Government policy--United States--Decision making--Case studies.
Traffic safety--Government policy--United States--Decision-making--Case studies.
Harvard subject headings:
Environmental health--Government policy--United States--Decision making--Case studies.
Policy sciences--Case studies.
Public health--United States--Decision making--Case studies.
Traffic safety--Government policy--United States--Decision making--Case studies.
Princeton subject headings:
Case studies.
Environmental health--Government policy--United States--Decision making--Case studies.
Policy sciences--Case studies.
Public health--United States--Decision making--Case studies.
Traffic safety--Government policy--United States--Decision making--Case studies.