321.349 Exceptions. The provisions of sections 321.347 and 321.348 as concerns the erection and maintenance of 'stop' and 'go' signals shall not apply to cities with a population of four thousand or over where said signals are situated within business districts of said city. [C31, 35, §5079-c3; C39, §5029.09; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.349]
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