Question This yellow sign means: Answers Controlled railroad ahead. Be prepared to stop if the light is flashing. There is a traffic signal ahead. Explanation A yellow sign with a traffic signal pictured indicates that there is a traffic signal is ahead. Be prepared to respond to the upcoming traffic signal. Pass your DMV Written Test with flying colors Take me to the cheat sheet California This questions appears in the following tests: Alabama Practice Test 66 Arizona Practice Test 105 Arkansas Practice Test 37 California Practice Test 63 Connecticut Practice Test 105 Delaware Practice Test 100 Georgia Practice Test 13 Illinois Practice Test 94 Kansas Practice Test 92 Kentucky Practice Test 80 Maryland Practice Test 6 Mississippi Practice Test 91 South Dakota Practice Test 45 Tennessee Practice Test 61 Wyoming Practice Test 58