Your target area should be approximately ahead of your current position.

Answer: your target area should be approximately 12-15 second ahead of your current position. target area range is the area as far ahead as you can see a target in the center of your intended path and to its right and left, 12-15 second range of what is up ahead, 4-6 second range of what is up ahead, orderly visual search pattern, a system of observing the conditions in front of you in different second ranges and on all sides in an orderly manner. target area needs a good visual search but we should also consider observing its conditions.

This is the most closely resembles the model.