Extreme Driving Conditions

Escape Ramps (ELDT B-A)

What is the purpose of escape ramps?   Escape ramps are designed to stop commercial vehicles if the vehicle loses braking capabilities while going down a mountain or long downward grade.    These ramps work two different ways.  The vehicle either sinks in loose gravel or sand, or the ramp is inclined so that the vehicle travels up the hill, stopping …

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Driving in High Winds (ELDT B-A)

What impact do high winds have on tractor-trailers?  High winds are an extreme driving condition, whether in the mountains or across flat surfaces, and have a definite impact on the vehicle.  Winds can impact your speed and how much control you have of your vehicle.  High winds can even topple a tractor-trailer, especially if the trailer is either empty or has …

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Driving in the Mountains (ELDT B-A)

What is unique about mountain driving?  Gravity plays a tremendous role when driving in the mountains.  When driving uphill, the RPM falls and you will need to downshift to a lower gear.  Gravity will cut down on your speed during the downshift.  You must complete those shifts quickly.  Always move your rig to the far right lane.  Some states …

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Driving in Hot Weather (ELDT B-A)

How does hot weather affect the preparation of a tractor-trailer?  Things to check when making a trip in hot weather:  All systems should be checked to ensure everything is in working order  Tires need to be inflated correctly and evenly  Check your oil level and engine coolant system  Check the engine belt tension  Check all of the hoses for cracks …

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Using tire chains (ELDT B-A)

When and how do drivers use tire traction chains?  When driving on snow or ice, using chains can increase traction by as much as 500 percent.   Some states have specific laws governing the use of chains.  Warnings on Road signs may indicate “chains advised.”    Are there fines if I do not use chains properly or as required?   Yes.  States …

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Extreme weather and driving (ELDT B-A)

What does the term extreme driving conditions mean in trucking?  Extreme driving conditions are the worst conditions that drivers have to drive through.  This can mean snow, sleet, rain, ice, high winds, fog, extreme dry or extreme heat.  This would include driving across mountain ranges and through the desert.    What are major safety hazards that drivers experience in extreme conditions?   Reduced traction, poor visibility …

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Escape Ramps (ELDT B)

What is the purpose of escape ramps?   Escape ramps are designed to stop commercial vehicles if the vehicle loses braking capabilities while going down a mountain or long downward grade.    These ramps work two different ways.  The vehicle either sinks in loose gravel or sand, or the ramp is inclined so that the vehicle travels up the hill, stopping …

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