City traffic
By: by Beulah Tannenbaum and Myra Stillman. Illustrated by Marta Cone.
Contributors: Stillman, Myra, joint author.; Cone, Marta, illus.
Series: Science in the city
Publisher: McGraw-Hill
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 64
Subjects: Traffic engineering -- Juvenile literature.; Traffic engineering.
Description: Describes the methods and devices used to control traffic in a city.