Born-Digital or AnalogAnalogTranscriptTraffic signals denver A $100,000 electronic master controller will start flicking downtown traffic signals May 5. 1952 P.34 1D0,000 master traffic control goes on Monday. News My 4 152 p.17 Post My 4 '52 p.23A "Miracle" brain starts regulating city traffic. illus. Post My 5 '52 p.3 New 'No left turn' sign is tried. News Je 28 152 p.20 Neon ' Don't walk' signs going up at intersections. Post N 13 152 p.49CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
