You meet a truck coming from the opposite direction on a two-lane road. What does the manual tell you to do?
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A.
Sound your horn so the truck driver sees you coming.
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B.
Keep as far to your side of the lane as possible. Correct
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C.
Move partly onto the shoulder until the truck is by.
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D.
Speed up to shorten the time spent alongside the truck.
The answer is "Keep as far to your side of the lane as possible."
The manual tells you to keep as far as possible to your side of the lane to avoid a sideswipe and reduce the wind turbulence between the two vehicles. Drivers who assume that giving a bigger vehicle more room means moving out of the lane pick the shoulder answer, but the manual's "far side of your lane" is an in-lane adjustment, not a move onto the berm.
The traps in the wrong answers
A. Sound your horn so the truck driver sees you coming.
A horn blast serves no safety purpose against an oncoming truck driver who already sees you; the manual reserves the horn for preventing a crash. This answer treats the horn as a routine 'I see you' greeting, borrowing the neighborhood courtesy tap rather than the crash-avoidance-only use the manual describes.
C. Move partly onto the shoulder until the truck is by.
The shoulder is not part of your travel lane and brings its own hazards; the manual has you shift to the far side of your lane, not out of it. This answer reads 'keep as far as possible to the side' as an instruction to leave the lane, applying the pull-over habit used for approaching emergency vehicles to an oncoming truck.
D. Speed up to shorten the time spent alongside the truck.
Speeding up raises the closing speed and worsens the turbulence effect the manual warns about; the rule is to hold your position, not accelerate through it. This answer applies the get-past-quickly habit that fits overtaking a slow vehicle in the next lane to a truck passing on the opposite side, where a higher closing speed makes the turbulence worse.
This question tests your knowledge of Sharing the Road in Pennsylvania. Source: Pennsylvania Driver Manual, "Sharing the Road With Trucks and Buses - Truck Passing," p.57..
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