Collision Avoidance
Evasive Manoeuvers
This lesson will focus on safe and
responsible driving to avoid collisions
by studying basic evasive manoeuvers.
It will also focus on detection and recovery from
skidding and sliding.
WHAT IS AN EXAMPLE OF A EVASIVE MANOEUVER?
Brake! But if it still appears that you will
crash into them, use the ____________.
You are traveling at 80 KM/PH, if this truck
turns right, what would you do?
Be prepared! Large vehicles will often pull
out, causing you to slow down for them.
Will a car be attempting to pass it up?
What should you be searching for when
you see a large, on-coming truck?
If you
have
Don’t
over
react.
to swerve
Usually
to theonly
rightslight
to
turn
of the
steering
avoid
a head-on
is much
necessary
How
should
Also, if possible
youthe
turn
keep
leftthe
tires
steering
wheel?
on the pavement.
STOP
and
THINK
…again use the shoulder
If a vehicle began passing that truck coming
right at you, what would you do?
Especially watch for passing on hills
when your sight distance is reduced.
If someone began passing you right now,
what would you do?
Brake and move over as much
as possible to the right.
W
What should you do in this situation?
W
What should you do in this situation?
Ease off accelerator, then gradually
turn the wheels back onto pavement.
Do not brake hard and do not jerk
the wheel to the left.
If you’re not paying attention and you
drop your wheels onto the shoulder,
what should you do and not do?
Braking Techniques
• Controlled (Threshold Braking)
- applying your brakes hard enough to slow the
vehicle without locking up the brakes. If wheels
do lock, ease off brake enough to allow wheels to
roll again. Continue with technique until stopped.
• ABS Braking
- uses a computer to prevent wheels from
locking up. Press down hard on brake pedal. You
will feel pulses or hear clicking. Continue holding
pedal down until you stop. Steering is possible
because wheels continue to move.
You are not paying attention as this curve approaches. Your
back end begins skidding to the right. You have antilock
brakes (ABS). What do you do?
Hold the brake pedal down hard, while steering quickly to
the right. Also, be ready to counter steer while keeping
your eyes focused on where you want to go.
Skidding not using brakes – without ABS
Skidding not using brakes – without ABS
Skidding with ABS
Skidding with ABS
Adjusting Driver Behaviour
For different driving conditions
Everything is harder to see.
What effect
STOP
dirty
Itwould
woulda make
windshield
everything
andmuch
have with
harder
to see
THINK
sun
glare?
What are some problems
associated with sun glare?
What could she do to minimize
the direct sun glare?
Drop the sun visor.
Also, be aware of sun glare upon drivers
when you are a pedestrian. It’s likely this
driver would have a hard time seeing you
if you were to begin crossing the street.
As the sun begins to set, don’t forget
to________________________.
In some open field areas, high winds could cause
dust over the road causing a slippery situation.
BEWARE OF
DUST OVER
ROAD
What are some things you should
remember about driving in fog?
Use low
beam lights
Reduce
speed
Increase
following
distance
If very bad
get off road
In Motion magazine, a General Motors publication
Where is it more likely to be foggy?
In low lying areas, costal regions and by lakes.
Sometimes it can be very thick…slow down!
What factor here can cause
a loss of traction?
Especially around curves,
reduce your speed.
Driving
hot/windy
weather
What
are in
some
problems
that can
occur with very high winds?
Avoid driving taller
vehicles like recreational
campers or trucks
because they have a
greater susceptibility to
tipping in strong winds.
Even smaller vehicles can be pushed into an
on-coming lane. Also, be aware of the wind
created by large trucks as they pass by.
Driving in Rain
Also, in rainy weather you must
use your __________.
What about your following distance in rainy weather?
Double or triple it.
What is a problem following
large trucks in rainy weather?
Their large tires throw it all on our windshield.
Be sure you have a good supply of window washer.
What is a problem following
large trucks in rainy weather?
Sometimes it can really be difficult to see!
Roadways are most slippery when it:
___________________
Roads accumulate dirt and oil
which mix with the first few
minutes of a rain causing a
pasty gooey substance that is
very slippery. After some
heavier rain, this “summer
ice” is washed away.
Be careful of sudden movements with the steering
wheel, quick acceleration, or hard braking.
Driving in Rain
What is important to remember when
going through shallow water?
Hydroplaning is possible.
Keep moving slowly.
What is important to remember when
approaching deeper water?
• Keep
moving
slowly
• Dry your
brakes when
through the
deep water
How do you dry wet brakes?
- one foot on gas…one foot applying pressure to brake
Strategies in the Snow
Strategies in the Snow
Perhaps the most important thing about driving in snow
is to __________________________
Also be aware that snow storms may
obscure traffic signs. What is this?
On this one way street what
are you searching for?
Cars or pedestrians obscured behind large snow piles.
You’re turning right at the intersection.
What is a concern that you have?
The slippery turning surface.
Also, is another car coming?
Slow down before the turn, more than you feel is necessary.
Then, coast around the turn (stay off gas and brake).
Do not accelerate until you straighten out.
What are three important things you
must do to make this right turn safely?
You are on a wet road intending to turn right. What
do you notice about the turning surface?
Should this car attempt to pull out quickly,
it would probably ________its wheels.
We are also on
STOP
a very
surface.
Veryslick
gradually,
How and
should
otherwise
weyou
will
accelerate
when
spin
our wheels.
THINK
it’s clear?
With the slippery pavement, what are you
anticipating as the light turns yellow?
If you get stuck in deep snow, what
should you try to do to get unstuck?
“Rock” the car, shifting from drive to reverse.
Review time…how much do you remember?
1) If on an icy road your back end begins skidding to the
left, you should turn the wheel to the _____. If you have
ABS you should hold the brake pedal down __________
1)2) True or False: When using anti-lock brakes (ABS) on icy
roads, pump the brakes for greater effectiveness. ______
1)3) Your right wheels drop off onto the shoulder, what
should you do: ___________________________________
1)4) On higher speed two lane roads, what should you be
searching for as you approach hills: ___________________
1)5) If a vehicle does pull out in front of you from a driveway
you should ______and if necessary use the _____________
6) On higher speed two lane roads, what should you be
searching for as a large truck approaches:
____________________________________________
1)7) A car is coming right at you in your lane, (its passing a
truck), what should you do to avoid a head-on collision?
_____________________________________________
1)8) As the sun begins to set, don’t forget to: ______________
9) What effect would a dirty windshield have with sun
glare? _____________________________
10) What about your following distance in rainy
weather?__________________________________
1)11) Roadways are most slippery when it ________________
12) True or False: If it’s raining use low beam lights and at
least double your following distance. _____
13) Where is it more likely to be foggy?_________________
1)14) Two things to remember when driving in fog:
_______________________________________
15) In some open field areas, high winds could cause dust
over the road causing a ____________________.
Collision Avoidance / Evasive Manoeuvers
Adjusting Driver Behaviour
For different driving conditions
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