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31 Cards in this Set
- Front
- Back
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Highway transportation system |
People, vehicles, and roadways. Governed by the Motor Vehicle code. |
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Purpose of HTS |
To ensure safe and efficient transport of people & goods. |
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Right vs privilege |
A right is a given guarantee supported by law or the constitution. A privilege must be earned and maintained. |
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Line of Sight (LOS) |
The area between the drivers eyes and the object in sight/ the object he wants to see. |
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LOSR |
Environmental: trees, snow banks Meteorological: snow, fog Driver's ability: vision, impairment Other vehicles: buses, trucks Own vehicle design: Blind spots, tint |
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Path of Travel |
The physical space a vehicle occupies as it travels from point to point |
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POTR |
Vehicles, big animals, red lights, stop signs, ice, water, snow |
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Target |
A fixed point consistent with drivers IPOT 12- 15 seconds ahead of the drivers current position. |
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2 benefits of targets |
Identify hazards sooner Drive a straighter line |
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Target area |
Area between eyes and the target including a space slightly to the left and right of the target. |
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When reducing speed |
Always check the rear zone. |
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Perception time |
(.75) distance traveled between the time a hazard is noticed and recognized & the moment you decide to change lane/ speed. |
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Reaction distance |
The distance traveled from when the driver decides to switch lanes/ speeds & the moment they begin to take action |
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Braking distance |
The distance between the moment the brakes first makes resistance & the point the vehicles comes to a stop |
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Stopping distance |
The distance traveled between perception, reaction, and braking distance. |
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Emergency stop |
Stopping the vehicle in a Dif way than regular braking system. |
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Braking point |
When the brakes first create resistance felt by the driver. |
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Hard smooth stop vs ABS stop |
HSS: high pressure braking easing up at the end. ABS: max brake pressure steering towards an open zone. |
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ABS Braking vs Threshold Braking |
ABS: stomp & steer Threshold: pump & steer |
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Advantages of ABS |
Almost 100% brake efficiency. Keeps brakes from locking up. |
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4 main factors affecting braking distance |
Road surface, mass, pitch, speed |
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4 do's of ABS brakes |
Do stomp & steer Do practice using ABS brakes Do maintain 4 second following distance Do check OM for spec. Info |
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4 Don'ts of ABS brakes |
Don't drive more aggressively Don't pump brakes Don't forget stomp + steer Don't be afraid of vibrations + noises |
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Legal stop |
A stop at the proper forward & lateral position. |
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Staggered stop |
Stopping 15+ ft prior to the legal stop position to aid to large turning vehicles. |
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Safety stop |
Slowly creeping passed the legal stop position in order to improve your LOS. |
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Point of No return |
An imaginary point where it would be impossible to slow down & make a legal stop at the intersection. |
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2 disadvantages of underdeflated tires |
Poor steering performance, excessive tire wear. |
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Reference point |
A fixed point on a vehicle used to obtain immediate & accurate feedback in regards to vehicle position pertaining to a specific roadway characteristics. |
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2 variables affecting personal reference points |
Eye dominance and head position |
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Advantages of reference points |
Positioning accuracy & reliable immediate feedback |
