Driver's License Test Prep
Texas Practice Traffic Lights

You approach an intersection controlled by a flashing yellow light. According to the Texas manual, what should you do?

  1. A.
    Yield only to vehicles already in the intersection.
  2. B.
    Maintain speed and drive straight through.
  3. C.
    Slow down and proceed with caution. Correct
  4. D.
    Stop completely, then proceed when clear.
The Why

The answer is "Slow down and proceed with caution."

A flashing yellow warns drivers to slow down and proceed with caution. Option D is the trap for drivers who treat every flashing signal alike; the stop-then-go rule belongs to flashing red, not flashing yellow.

Why the others miss

The traps in the wrong answers

A. Yield only to vehicles already in the intersection.

The manual attaches no specific yield condition to a flashing yellow. Imports a yield-sign rule that the flashing-yellow section never states.

B. Maintain speed and drive straight through.

Holding speed ignores the caution the manual explicitly requires. Reads a flashing yellow as equivalent to a green light, which the section never allows.

D. Stop completely, then proceed when clear.

A full stop is the flashing red rule, not the flashing yellow rule. Merges the two flashing signals into a single instruction, which the manual keeps distinct.

The Rule

This question tests your knowledge of Traffic Lights in Texas. Source: Texas Driver Manual, "Traffic Signals (A Flashing Yellow Light)," p.25..

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