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What color is the edge marking for the right most lane on the highway?

  1. Red

  2. Purple

  3. Green

  4. Yellow

The correct answer is: Yellow

The edge marking for the right most lane on the highway is typically yellow. This is because yellow is a universal color used to indicate caution or warning, and the edge marking is designed to alert drivers to the edge of the roadway. Red is commonly used for stop signs and traffic lights, which drivers expect to see in specific locations rather than along the edge of the road. Purple is not typically used for any traffic markings, and green is not used to indicate a lane's edge as it can be easily confused with green traffic lights.