Question From top to bottom, the following is the proper order for traffic lights: Answers Red, yellow, green. Red, green, yellow. Green, red, yellow. Green, yellow, red. Explanation On a traffic signal arranged vertically, red is always on top and green on the bottom. When arranged horizontally, red is always on the left and green on the right. Pass your DMV Written Test with flying colors Take me to the cheat sheet Pennsylvania This questions appears in the following tests: Alaska Practice Test 20 Colorado Practice Test 3 District Of Columbia Practice Test 19 Florida Practice Test 6 Hawaii Practice Test 23 Idaho Practice Test 3 Indiana Practice Test 39 Indiana Practice Test 1 Iowa Practice Test 12 Louisiana Practice Test 12 Massachusetts Practice Test 14 Michigan Practice Test 25 Michigan Practice Test 4 Minnesota Practice Test 8 Missouri Practice Test 20 Montana Practice Test 15 Montana Practice Test 28 Nebraska Practice Test 8 Nevada Practice Test 39 Nevada Practice Test 32 New Hampshire Practice Test 22 New Jersey Practice Test 7 New Jersey Practice Test 38 New Mexico Practice Test 1 North Carolina Practice Test 10 North Carolina Practice Test 7 North Dakota Practice Test 16 Ohio Practice Test 28 Oregon Practice Test 30 Pennsylvania Practice Test 14 Pennsylvania Practice Test 8 Rhode Island Practice Test 14 Texas Practice Test 26 Utah Practice Test 18 Vermont Practice Test 18 Virginia Practice Test 9 Virginia Practice Test 6 Washington Practice Test 20 West Virginia Practice Test 18 Wisconsin Practice Test 20