Moving vehicle method of estimating traffic volumes and speeds.

Bibliographic Details
Corporate Author:	Cook County (Ill.). Department of Highways
Format:	Book
Language:	English
Published:	Chicago : Cook County Highway Dept., [1956]
Subjects:	Traffic surveys. Traffic surveys > Illinois > Cook County.

Description
Physical Description:	31 pages, 1 unnumbered page : illustrations, folded map ; 28 cm.
Bibliography:	Bibliography: page [32].