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: Arkansas Practice Test 16 Alabama Practice Test 39 Arizona Practice Test 6 Arizona Practice Test 25 Arkansas Practice Test 23 California Practice Test 20 California Practice Test 32 Connecticut Practice Test 21 Connecticut Practice Test 25 Delaware Practice Test 23 Delaware Practice Test 19 District Of Columbia Practice Test 1 Kansas Practice Test 18 Kentucky Practice Test 37 Maine Practice Test 46 Maryland Practice Test 1 Mississippi Practice Test 5 Mississippi Practice Test 14 New Mexico Practice Test 8 New Mexico Practice Test 3 New York Practice Test 9 Oklahoma Practice Test 8 South Carolina Practice Test 3 South Carolina Practice Test 20 South Dakota Practice Test 8 South Dakota Practice Test 9 Tennessee Practice Test 21 Tennessee Practice Test 9 Wisconsin Practice Test 5 Wyoming Practice Test 2