Columbia subject headings:
Commuters--United States--Congresses.
Women travelers--United States--Congresses.
Women--United States--Congresses.
Harvard subject headings:
Businesswomen--Transportation--United States.
Choice of transportation--Congresses.
Choice of transportation--United States.
Commuters--United States--Congresses.
Commuters--United States.
Commuting--United States.
Traffic surveys--United States
Women--Employment--United States--Congresses.
Women--United States--Congresses.
Princeton subject headings:
Choice of transportation--Congresses.
Commuters--United States--Congresses.
Women--Employment--United States--Congresses.
Women--United States--Congresses.