Question Which of the following blocks the smooth flow of traffic? Answers Slowing down to look at collision scene. Avoiding unnecessary lane changes. Using public transportation instead of your vehicle. Explanation Rubbernecking (the practice of slowing down to look at collisions or other out-of-the-ordinary things) contributes to traffic congestion and should be avoided. Pass your DMV Written Test with flying colors Take me to the cheat sheet California This questions appears in the following tests: California Practice Test 29 South Carolina Practice Test 26 Alabama Practice Test 11 Arizona Practice Test 3 Arizona Practice Test 26 Arkansas Practice Test 21 Arkansas Practice Test 19 Connecticut Practice Test 20 Connecticut Practice Test 7 Delaware Practice Test 11 Delaware Practice Test 15 District Of Columbia Practice Test 6 Kansas Practice Test 10 Kansas Practice Test 21 Kentucky Practice Test 8 Maine Practice Test 46 Maine Practice Test 13 Maryland Practice Test 3 Mississippi Practice Test 21 Mississippi Practice Test 30 New Mexico Practice Test 13 New York Practice Test 16 New York Practice Test 12 Oklahoma Practice Test 17 Oklahoma Practice Test 1 South Carolina Practice Test 16 South Dakota Practice Test 25 South Dakota Practice Test 8 Tennessee Practice Test 21 Tennessee Practice Test 28 Wisconsin Practice Test 42 Wisconsin Practice Test 43 Wyoming Practice Test 19