合ごう流りゅう注ちゅう意いMeaningsExpression1. (beware of) merging traffic (in road surface markings, etc.)Kanji used合come together流current (in a fluid)注pour意ideaComposed of合ごう流りゅうconfluence (of rivers); flowing together; joining; joining (of people, groups, parties, etc.); union; linking up; merging (e.g. of traffic); meeting (up)Noun注ちゅう意いattention; notice; heed; care; caution; precaution; looking out (for); watching out (for); advice; warning; …Noun