Columbia subject headings:
Automobile driving--Evaluation.
Express highways--Evaluation.
Local transit--Evaluation.
Traffic surveys--United States.
Urban transportation--Evaluation.
Harvard subject headings:
Automobile driving--Evaluation.
Express highways--Evaluation.
Local transit--Evaluation.
Traffic surveys--United States
Urban transportation--Evaluation.
Princeton subject headings:
Automobile driving--Evaluation.
Express highways--Evaluation.
Local transit--Evaluation.
Traffic surveys--United States.
Urban transportation--Evaluation.