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|Material Type:||Conference publication|
|All Authors / Contributors:||National Research Council (U.S.). Highway Research Board. Annual Meeting; National Research Council (U.S.). Highway Research Board.|
|Description:||iii, 44 pages : illustrations ; 25 cm.|
|Contents:||Measurement of urban traffic congestion / Claude A. Rothrock and Louis E. Keefer --
Moving vehicle method of estimating volumes and speeds / William J. Mortimer --
Speed and travel time measurement in urban areas / William P. Walker.
|Series Title:||Publication (National Research Council (U.S.)), no. 491.; Bulletin (National Research Council (U.S.). Highway Research Board), 156.|
|Responsibility:||presented at the thirty-fifth Annual Meeting, January 17-20, 1956.|