Driver's License Test Prep
New York Practice Traffic Lights

A traffic light ahead of you is flashing yellow. What does the manual tell you to do?

  1. A.
    Drive with caution; a stop is not required. Correct
  2. B.
    Stop, yield the right-of-way, and go when it is safe.
  3. C.
    Be prepared to stop, because the light is about to turn red.
  4. D.
    Come to a full stop, because a flashing pattern means the light has failed.
The Why

The answer is "Drive with caution; a stop is not required."

The manual gives flashing yellow one instruction: drive with caution. The signal itself doesn't require a stop, but you must still slow down and be ready to stop if traffic or road conditions call for it. Choice B treats every flashing bulb as a stop cue and carries the flashing-red rule over to yellow because both patterns flash.

Why the others miss

The traps in the wrong answers

B. Stop, yield the right-of-way, and go when it is safe.

That is the manual's entry for flashing red, which it says means the same as a stop sign. This answer groups every flashing color under one stop-and-yield habit, since both patterns flash and both sit at intersections.

C. Be prepared to stop, because the light is about to turn red.

That is the steady-yellow entry, which describes a light heading for red inside a normal cycle. This answer reads yellow as the timing cue and ignores the flashing pattern, so the steady-yellow instruction feels like the obvious pick.

D. Come to a full stop, because a flashing pattern means the light has failed.

A flashing light is working as designed; the manual treats an out-of-service or malfunctioning light as a separate case, and that is the one that sends you into stop-sign procedure. This answer assumes any behavior beyond the steady red-yellow-green sequence points to broken equipment, which is tempting if you rarely see flashing lights in daily driving.

The Rule

This question tests your knowledge of Traffic Lights in New York. Source: New York State Driver's Manual, "Traffic Signals - Traffic Lights," p.31..

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