Question U-turns in business districts are: Answers Always illegal because they are dangerous. Legal whenever oncoming vehicles are not a hazard. Legal at intersections, unless a sign prohibits them. Explanation In a business district, you may make a U-turn only at an intersection, unless a sign prohibits it, or where openings are provided for turns. 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 32 California Practice Test 4