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Eye lead time is the time (and distance)adriver visually scans ahead of their vehicle. On thehighway,eye lead time should be 20 to 30 seconds. In thecity, itshould be 12 to 15 seconds, or about 1.5 to 2cityblocks.
Moreover, what does visual lead time mean?
Visual lead time, also measured intime,refers to the distance a person scans the roadway aheadof one'svehicle watching for hazards of any type. In urban centers,thevisual lead time is 12-15 seconds. This means thatweare to scan the roadway a distance of 12-15secondsahead.
- Aim high. It is the first principle of defensive driving, anditrequires you to be alert and focused so as to avoid collisionsand,in particular, the rear-end and also warn the other drivers oftheimpending traffic.
- The Big Picture.
- Keep Your Eyes Moving?
- Leave Yourself An Out.
- Ensure they see you.
Also Know, how far ahead should you be looking visual lead time when you drive?
You should look two to three secondsaheadof you while driving. You shouldlook five tosix seconds ahead of you whiledriving. Youshould look 12 to 15 seconds aheadof you whiledriving.
Although your central vision is muchmoredistinct, your peripheral vision increasesyourentire field of vision significantly. While therange ofyour central vision is only about 3°, therangeof your peripheral vision is 180° ormore.