A diamond-shaped sign means: Question A diamond-shaped sign means: Answers Yield. Stop. Warning. Explanation Diamond-shaped signs are used to warn drivers of special conditions or hazards ahead. They are typically yellow or orange in color. This questions appears in the following tests: Alabama Practice Test 27 Alabama Practice Test 38 Arizona Practice Test 25 Arkansas Practice Test 18 Arkansas Practice Test 3 California Practice Test 12 Connecticut Practice Test 23 Delaware Practice Test 1 Delaware Practice Test 26 District Of Columbia Practice Test 11 Georgia Practice Test 7 Georgia Practice Test 32 Illinois Practice Test 23 Iowa Practice Test 6 Kansas Practice Test 14 Kentucky Practice Test 2 Maine Practice Test 43 Maryland Practice Test 7 Mississippi Practice Test 1 Mississippi Practice Test 11 Nebraska Practice Test 16 Nebraska Practice Test 1 New York Practice Test 10 Oklahoma Practice Test 8 Rhode Island Practice Test 6 South Dakota Practice Test 2 Tennessee Practice Test 11 Wisconsin Practice Test 21 Wyoming Practice Test 33 Wyoming Practice Test 39