Gus Ruelas/Reuters Once you've had your driver's license for a few years, driving can become second nature. You know how to operate a vehicle and follow basic traffic laws, but you might start to forget more obscure rules of the road that you memorized in order to pass the written test. We scoured practice quizzes from New York State's Department of Motor Vehicles for questions that are a little more advanced than "What should you do at a stop sign?" Here are 10 questions about driving that you've probably forgotten the answers to.You may cross a single solid white line in the highway: Photoraidz/Shutterstock a) Whenever you want to. b) If traffic conditions require. c) Only to turn into a driveway. d) Only to make a u-turn. . . . . Answer: b) If traffic conditions require. What does a flashing yellow light mean? Mike Flippo/Shutterstock a) Merging traffic. b) Proceed with caution. c) Pedestrian crossing. d) Come to a full stop. . . . . Answer: b) Proceed with caution. When the road is marked with a solid yellow line and a broken yellow line on your side, you may pass: kavram/Shutterstock a) Only in an emergency. b) If you are on an expressway. c) If traffic is clear. d) Only at an intersection. . . . . Answer: c) If traffic is clear. See the rest of the story at Business InsiderSee Also:14 things you're doing every day that are ruining your hair11 simple coffee hacks you should be trying right now13 celebrities who have opened up about their decisions not to have children