02-16-2018, 01:33 PM
Calling All Cars is an old-time radio police drama in the United States. It was broadcast on the CBS West Coast network and on the Mutual-Don Lee Network November 29, 1933 - September 8, 1939 and carried by transcription on stations in other areas. The program was notable for being one of the first police dramas on radio. and originated on the West coast over the Columbia Broadcasting System. The show was sponsored by the Rio Grande Oil Company which was a part of the Sinclair Oil Corporation. The show only ran in areas where Rio Grande Cracked and gasoline was sold.