Driver's License Test Prep
Illinois Practice Road Signs

A yellow sign along the roadway tells you about:

  1. A.
    The name of the road you are on
  2. B.
    Nearby parks and recreation areas
  3. C.
    Prohibitions you must always obey
  4. D.
    Road conditions and dangers ahead Correct
The Why

The answer is "Road conditions and dangers ahead"

Yellow is Illinois's warning color, so a yellow sign tells you about road conditions and dangers ahead. Choice C misreads the three-sided yellow NO PASSING ZONE sign as a command out of a habit of reading bold, unusual sign shapes as orders, but its yellow field still marks it as a warning; red signs and some black-and-white signs carry the prohibitions.

Why the others miss

The traps in the wrong answers

A. The name of the road you are on

Road names, directions, and distances belong on guide signs, which are green or blue, and some Illinois route markers appear as black-and-white shields. Yellow signs don't identify roads; they warn about conditions ahead. Remembers yellow advance-warning signs that reference a cross street ahead and files road-name information under the yellow category.

B. Nearby parks and recreation areas

Parks and recreation areas appear on brown signs in Illinois, not yellow ones. Yellow stays reserved for warnings about the road ahead. Lumps brown recreation signs with yellow warning signs because both use warm roadside tones and often appear on scenic stretches.

C. Prohibitions you must always obey

Prohibitions you must obey appear on red signs like STOP, YIELD, DO NOT ENTER, and WRONG WAY, and on some black-and-white regulatory signs. Yellow isn't a regulatory color; it's the warning color. Reads the three-sided yellow NO PASSING ZONE sign as a command and treats yellow as a color that issues orders.

The Rule

This question tests your knowledge of Road Signs in Illinois. Source: Illinois Rules of the Road, "Colors of Signs," p.64..

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