Signals and gestures for directing traffic.
Contributors: Northwestern University (Evanston, Ill.). Traffic Institute.
Edition: 2nd ed.
Series: Traffic patrol and direction series; Publication ;; no. 803; Publication (Northwestern University (Evanston, Ill.). Traffic Institute) ;; no. 803.
Publisher: Northwestern University Traffic Institute
Published: 1986
Place of publication: Evanston, Ill. (P.O. Box 1409, Evanston 60204)
Language: eng
Subjects: Traffic police -- Training of.; Traffic signs and signals.; Signals and signaling.