Question If you see this sign, you: Answers Should maintain your vehicle’s speed until you enter the reduced speed zone. Should begin to reduce your vehicle’s speed. Should not slow down because traffic will start to back up. May reduce your speed, if you choose to do so. Explanation "Reduced speed ahead" signs inform drivers that they should begin to reduce the speed of their vehicles. The new speed limit will begin at the next speed limit sign. Take a FREE Practice Test Now This questions appears in the following tests: Hawaii Practice Test