The average perception time for an alert driver is:
|
1 to 2 seconds.
|
|
|
0.25 to 0.5 seconds.
|
|
|
3 to 4 seconds.
|
|
|
0.75 to 1 second.
|
Explanation
The average driver has a perception time of ¾ second to 1 second. Perception distance is the space your vehicle travels from the moment your eyes see a hazard until your brain recognizes it. Perception distance is affected by physical and mental conditions, medication, as well as weather conditions and the hazard itself.
Answer Statistics
🟠 This question is challenging — 30.1% of our users get this question wrong.
Other questions in the same category: Stopping Distance
What is the average total stopping distance of a tractor+trailer with hot brakes?At 40 MPH, the average driver’s reaction time accounts for __ feet traveled.What is the average total stopping distance of a tractor unit (no trailer) traveling at 55 MPH?Your vehicles braking distance will be much longer:At 30 MPH, the average driver’s perception time accounts for __ feet traveled.At 50 MPH, on dry pavement with good brakes, the average braking distance is about:When a hazard is seen ahead, reaction distance:The average driver has a reaction time of:The average reaction distance at 60 MPH is:Your ability to stop is affected by:
This question appears in the following DMV practice tests: