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Indiana Operator's Knowledge Exam Practice
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Passing target: 7 correct signs and 18 correct rules
Warning, Construction & Information SignsStandalone practice
A yellow advisory-speed plaque is mounted below a curve warning. What does its number tell the driver?

Correct answer: The recommended speed for the warned condition; slower may be needed.
Why
Use the advisory speed to prepare for the curve and slow before entering it. It is different from a regulatory speed-limit sign. Conditions can require driving below the advisory value as well as below the legal maximum.
Verified against Indiana Driver's Manual · Advisory curve speed · p. 33, 36
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