What message will be found on a red octagon-shaped sign? Question What message will be found on a red octagon-shaped sign? Answers Do not enter. One-way. Stop. Explanation An octagonal (eight-sided) sign always means "stop." You must always come to a complete stop at this sign. This questions appears in the following tests: Alabama Motorcycle Practice Test 10 Arkansas Motorcycle Practice Test 46 California Motorcycle Practice Test 37 Delaware Motorcycle Practice Test 27 Kansas Motorcycle Practice Test 63 Nebraska Motorcycle Practice Test 88 South Dakota Motorcycle Practice Test 10 Virginia Motorcycle Practice Test 34 Wisconsin Motorcycle Practice Test 43