Question This white sign means: Answers You should slow down and move to the right lane. Stay in the right lane if you are driving more slowly than other traffic. Slower traffic must exit on the right. Explanation A white, rectangular sign indicates that you must obey important rules. This sign means that drivers should allow the left lane to remain open, when possible, for passing and for faster traffic. 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 8 California Practice Test 10 Alabama Practice Test 42 Arizona Practice Test 110 Arkansas Practice Test 50 California Practice Test 110 Connecticut Practice Test 116 Delaware Practice Test 99 Georgia Practice Test 39 Illinois Practice Test 12 Kansas Practice Test 34 Kentucky Practice Test 64 Maryland Practice Test 69 Mississippi Practice Test 61 South Dakota Practice Test 91 Tennessee Practice Test 85 Wyoming Practice Test 27