What does this Turn Right sign warn a driver about the road ahead?
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A.
A sharp right turn ahead where the road changes direction abruptly and a reduced speed is needed Correct
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B.
A gentle right curve ahead that can be rounded at the posted speed limit
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C.
A right lane ending soon where drivers must merge left before it closes
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D.
A right-turn-only lane ahead that through traffic must move out of
The answer is "A sharp right turn ahead where the road changes direction abruptly and a reduced speed is needed"
The W1-1R diamond warns of a sharp right turn: an abrupt change in roadway alignment that cannot be taken safely at the approach speed, so slow before the bend and stay in your lane through it. The trap is the choice that reads this as a gentle curve; a curve at a speed you can already hold is warned by the W1-2 series, whose arrow bends smoothly rather than turning at a right angle like the arrow on this sign.
The traps in the wrong answers
B. A gentle right curve ahead that can be rounded at the posted speed limit
A gentle bend is warned by the W1-2 curve series, which uses a curved arrow rather than the right-angle arrow on this sign. This answer reaches for the rounded-arrow curve warning after seeing a right-pointing arrow, and treats the sharp bend at the elbow as if the driver could hold the approach speed through it.
C. A right lane ending soon where drivers must merge left before it closes
A lane ending is warned by the lane-reduction sign, not by a device warning of a change in roadway alignment. This answer pattern-matches the word right on a yellow diamond to the lane-reduction warning that pictures a lane tapering out, ignoring that this arrow bends at a right angle rather than showing a lane closing.
D. A right-turn-only lane ahead that through traffic must move out of
A lane-use command is carried by a regulatory sign, not by a yellow diamond warning of a hazard. This answer reads a yellow warning diamond as if it were the white regulatory rectangle that commands a mandatory movement, blurring the color and shape rule that separates hazard warnings from lane-use orders.
This question tests your knowledge of Warning Signs on the roads of every US state . Source: Manual on Uniform Traffic Control Devices, sign W1-1R (Turn Right)..
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