Chapter 3 Flashcards
How information is processed by brain
Input (see a vehicle waiting to pull out at junction
Decision-making
Output (slow down in case driver does not see you)
Feedback
What is reaction time
Reaction time = decision time + response time
Errors of perception
Errors of judgement
Errors of hazard perception
Habit and expectancy
Regression effects
What is a hazard?
A hazard is anything that is an actual or potential danger.
Types of hazards
Physical features (junctions, bends, road surface)
Position/movement of other road users
Weather conditions
3 stages of planning
Anticipate hazards
Prioritise
Decide what to do
What is peripheral vision
The area of eyesight surrounding the central area of sharply defined vision. Good at sensing movement
Ways to perceive hazards that aren’t easily visible
Gaps or breaks in hedges/fences/walls
Curving row of trees or lamps
Reflections in windows
Angle of approaching headlights
Shadow of approaching vehicle
Safe stopping distance driving at 70mph
100 metres/328 feet
Human factors that affect observation/anticipation
Alertness
Tiredness
How regular should rest breaks be
Once every 2h of at least 15 mins