Preparation of and comments on 1931 traffic flow map of Philadelphia; uses of map.
Traffic flow records
Engrs. Eng
Engineers and Engineering ; 48 , n 11
1931
4 pages
1 Fig.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Integrated Traffic Records System
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Traffic Records Program Assessment Advisory
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Breaks records with express traffic
Engineering Index Backfile | 1930
|Modifications to Traffic Records System
NTIS | 1972