🎓 Prepared by students from Boğaziçi University

What is Driver Distraction?

Driver distraction is any activity that diverts attention from the road, reducing awareness and reaction time. Texting, eating, daydreaming, and using infotainment systems are common sources. Even a brief lapse can be deadly at traffic speeds.

Short answer

Driver distraction is any task that removes your focus from the road. Studies show distracted driving increases crash risk by 4–6 times, particularly when eyes leave the road for more than 2 seconds.

Types of Driving Distractions
Visual (eyes off road)
  • Texting or reading phone
  • Eating or drinking
  • Adjusting radio or climate
  • Looking at passengers
Cognitive (mind off road)
  • Daydreaming or fatigue
  • Listening to loud music
  • Emotional stress or anger
  • Conversation or argument
01

Step-by-step worked examples

A driver texts while stopped at a red light, then accelerates when it turns green but is still reading the message.

Light turns green; driver still focused on phone screen
Doesn't see that a pedestrian is crossing
Reaction time to brake increased 3–5 times
Collision or near-miss occurs

Driver eats a sandwich and looks down at their lap for 3 seconds at 90 km/h.

3 seconds at 90 km/h = 75 meters covered
Driver's eyes were off the road the entire distance
A vehicle changed lanes or a hazard emerged undetected
By the time driver looks up, collision avoidance is impossible

Driver is lost and glances repeatedly at GPS navigation.

Each glance is 1–2 seconds; total attention away = 10+ seconds
During those 10 seconds, 250 m is covered at 90 km/h
Intersection, pedestrian, or traffic change not seen
Driver re-focuses on road too late to react safely
02

Flashcards

03

Quick quiz

Q1.How much does distraction increase crash risk?

Correct answer: C. Research shows distracted driving increases crash risk by 4–6 fold, depending on distraction type.

Q2.At 90 km/h, how far does a car travel in 3 seconds of distraction?

Correct answer: C. 90 km/h = 25 m/s; 3 sec × 25 m/s = 75 meters.

Q3.Texting while driving is:

Correct answer: C. Texting involves visual, manual, and cognitive distraction — 23× higher crash risk than non-distracted driving.

Q4.Hands-free phone calls while driving:

Correct answer: C. Hands-free calls still engage the mind away from driving; cognitive distraction increases crash risk.
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04

Common mistakes

Only visual distraction (looking away) is dangerous.Correct: Cognitive distraction (mind engaged elsewhere) also impairs reaction time, even with eyes on road.

A quick glance at a text is harmless.Correct: At 100 km/h, 2 seconds = 56 m covered; a hazard can appear in that distance.

You can multitask and drive safely.Correct: The human brain cannot safely divide attention between complex tasks like driving and texting.

Distraction is only risky on highways.Correct: Distraction is dangerous at any speed; a child crossing at 40 km/h can be missed in 2 seconds.

05

FAQ

What is driver distraction?

Driver distraction is any activity (texting, eating, daydreaming) that removes attention from the road, increasing crash risk 4–6 fold.

What causes driver distraction?

Mobile phone use, eating or drinking, infotainment systems, passengers, emotions, and daydreaming are common sources.

How does distraction affect driving?

Distraction delays reaction time and reduces situational awareness; a 2-second lapse at 100 km/h covers 56 meters unattended.

How to prevent distraction while driving?

Silence phone, eat before driving, set GPS before departure, avoid arguments, and focus entirely on the road.

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