Warning, Construction & Information Signs
You see this plaque below a yellow curve warning sign. What does it tell you?
- AThe new speed limit that begins at this sign.
- BThe lowest speed you may drive in the curve.
- CThe speed limit for trucks and buses in the curve.
- DA speed that is advised for the curve ahead.
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Correct answer: D. A speed that is advised for the curve ahead.
Why
This yellow plaque goes below a warning sign. It shows the advised speed for the condition that the sign warns of, such as a curve. Slow down to this speed or less before you enter the curve. In rain, snow, ice or poor light, you may need to go even slower. A speed limit is different: it is set by law and shown on a white rectangular SPEED LIMIT sign.
Why the other answers are not correct
- A. Wrong: a speed limit is shown on a white regulatory SPEED LIMIT sign, not on a yellow plaque.
- B. Wrong: a minimum speed is shown on a white regulatory sign with the word MINIMUM.
- C. Wrong: a truck speed limit is shown with a white SPEED LIMIT sign and a TRUCKS plaque.
Verified against Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 · Section 2C.59 Advisory Speed Plaque (W13-1P) and Confirmation Advisory Speed Plaque (W13-1aP) · p. 237
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