Question This yellow sign means: Answers One lane ahead. Merging traffic ahead. Lane ends ahead. Explanation This sign warns of the possible presence of merging traffic. Take a FREE Practice Test Now This questions appears in the following tests: District Of Columbia Practice Test Georgia Practice Test Tennessee Practice Test Rhode Island Practice Test Alabama Practice Test Delaware Practice Test Illinois Practice Test Connecticut Practice Test Maine Practice Test Mississippi Practice Test Kentucky Practice Test Wyoming Practice Test South Dakota Practice Test California Practice Test Arkansas Practice Test New Mexico Practice Test Maryland Practice Test Arizona Practice Test Wisconsin Practice Test Kansas Practice Test Iowa Practice Test