Columbia subject headings:
Harvard subject headings:
Highway engineering--Abstracts--Periodicals.
Highway engineering--Bibliography--Periodicals.
Traffic engineering--Abstracts--Periodicals.
Traffic engineering--Bibliography--Periodicals.
Princeton subject headings:
Highway engineering--Abstracts--Periodicals.
Highway engineering--Bibliography--Periodicals.
Traffic engineering--Abstracts--Periodicals.
Traffic engineering--Bibliography--Periodicals.