Born-Digital or AnalogAnalogTranscriptDenver. 'traffic Surveys begin in Denver. Conducted by Public Safety Institute of Purdue University and the Automotive Protective Association. Post Mr 4, 1947 p.1 Extensive survey of Denver traffic enforcement setup to be studied by Purdue University and the Automotive Protective and Information Bureau of Chicago. RMN Mr 5, 1947 p.12 Car jam grows as survey lags. Post Mr 22, 1947 p.1 Swansea asks traffic survey. Post Mr 24, 1947 P-5CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
