Question This sign means: Answers Road construction/maintenance area. Side road. Railroad ahead. Explanation Diamond-shaped signs are used to warn of actual or possible hazards. The color orange is used for warning signs usually found in construction or maintenance areas. This questions appears in the following tests: Alabama Practice Test 1 Alabama Practice Test 21 Arizona Practice Test 22 Arkansas Practice Test 19 Connecticut Practice Test 23 Delaware Practice Test 10 Delaware Practice Test 18 Georgia Practice Test 2 Georgia Practice Test 10 Illinois Practice Test 2 Illinois Practice Test 13 Iowa Practice Test 1 Kansas Practice Test 6 Kentucky Practice Test 7 Kentucky Practice Test 22 Maine Practice Test 6 Mississippi Practice Test 6 Mississippi Practice Test 18 South Dakota Practice Test 6 Tennessee Practice Test 9 Tennessee Practice Test 23 Wisconsin Practice Test 22 Wyoming Practice Test 5 Wyoming Practice Test 15 California Practice Test 8 California Practice Test 13