321.382 Upgrade pulls — minimum speed. A motor vehicle or combination of vehicles, which cannot proceed up a three percent grade, on dry concrete pavement, at a minimum speed of twenty miles per hour, shall not be operated upon the highways of this state. [C39, §5033.02; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.382] 83 Acts, ch 101, §70 Referred to in §321.23, 805.8A(3)(f) For applicable scheduled fine, see §805.8A, subsection 3
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