Question When encountering fog, you will be safest if you: Answers Stay in the left lane. Don’t drive in the fog. Use your low beam lights. Follow the vehicle ahead of you closely. Explanation Fog can quickly deteriorate drivers' ability to see the road, other drivers, and other hazards. Avoid driving in fog if at all possible. This questions appears in the following tests: Alabama Passenger Delaware Class A Knowledge Test Indiana Class A Knowledge Test Massachusetts Class B Knowledge Test New Hampshire Double New York Passenger North Dakota Class B Knowledge Test