Columbia subject headings:
Harvard subject headings:
Metropolitan areas--Transportation.
Transportation--England--London--Case studies.
Transportation--Environmental aspects.
Transportation--France--Paris--Case studies.
Transportation--Japan--Tokyo--Case studies.
Transportation--New York (State)--New York--Case studies.
Urban transportation
Princeton subject headings:
Case studies.
Metropolitan areas--Transportation.
Transportation--England--London--Case studies.
Transportation--Environmental aspects.
Transportation--France--Paris--Case studies.
Transportation--Japan--Tokyo--Case studies.
Transportation--New York (State)--New York--Case studies.
Urban transportation.