Collision AvoidanceEvasive 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?

You are traveling at 80 KM/PH, if this truck turns right, what would you do?

Brake! But if it still appears that you will crash into them, use the ____________.

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 a vehicle began passing that truck coming right at you, what would you do?

STOPand

THINK

If you have to swerve

to the right toavoid a head-on

How much shouldyou turn the

steering wheel?

Don’t over react.

Usually only slightturn of the steering

is necessaryAlso, if possible

keep the left tireson the pavement.

Don’t over react.

Usually only slightturn of the steering

is necessaryAlso, if possible

keep the left tireson the pavement.

…again use the shoulder

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?

If you’re not paying attention and you drop your wheels onto the shoulder,

what should you do and not do?

Ease off accelerator, then gradually turn the wheels back onto pavement.

Do not brake hard and do not jerk the wheel to the left.

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.

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 BehaviourFor different driving conditions

What are some problems associated with sun glare?

Everything is harder to see. Everything is harder to see.

STOPand

THINK

What effect would a dirty

windshieldhave with sun glare?

It would make everything much

harder to see

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.

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

Use low beam lights

Reduce speed

Increase following distance

If very bad get off road

What are some things you should remember about driving in fog?

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?

What factor here can cause a loss of traction?

Especially around curves, reduce your speed.

Driving in hot/windy weather

Avoid driving taller vehicles like recreational campers or trucks because they have a greater susceptibility to tipping in strong winds.

What are some problems that can occur with very high 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

What about your following distance in rainy weather?

Double or triple it.

Also, in rainy weather you must

use your __________.

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.

Sometimes it can really be difficult to see!

What is a problem following

large trucks in rainy weather?

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?

The slippery turning surface.

Also, is another car coming?

What are three important things you must do to make this right turn safely?

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.

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.

With the slippery pavement, what are you anticipating as the light turns yellow?

STOPand

THINK

We are also on a very slick surface.

How should you accelerate when

it’s clear?

Very gradually, otherwise we will spin our wheels.

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)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)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)3) Your right wheels drop off onto the shoulder, what should you do: ___________________________________

1)2) True or False: When using anti-lock brakes (ABS) on icy roads, pump the brakes for greater effectiveness. ______

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)8) As the sun begins to set, don’t forget to: ______________

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 ____________________.

10) What about your following distance in rainy weather?__________________________________

13) Where is it more likely to be foggy?_________________

9) What effect would a dirty windshield have with sun glare? _____________________________

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. _____

Collision Avoidance / Evasive Manoeuvers

Adjusting Driver BehaviourFor different driving conditions

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