Driver's License Test Prep
California Practice Traffic Lights

You are stopped at a red arrow signal wanting to turn. When may you make the turn?

  1. A.
    After a full stop, if no other traffic is approaching the intersection.
  2. B.
    When your traffic light for going straight turns to solid green.
  3. C.
    When the light changes to a green signal or a green arrow. Correct
The Why

The answer is "When the light changes to a green signal or a green arrow."

A red arrow means STOP; you may not turn at a red arrow and must remain stopped until a green traffic light or green arrow appears. The 'after a full stop' choice carries the right-on-red rule for a solid red across to the red arrow; a driver who has not learned that the arrow overrides the stop-then-turn habit picks it.

Why the others miss

The traps in the wrong answers

A. After a full stop, if no other traffic is approaching the intersection.

Applies the right-on-red rule for a solid red to a red arrow, which the manual treats as no-turn. This answer applies a driving habit from residential right-on-red intersections to a signal with an arrow-specific prohibition.

B. When your traffic light for going straight turns to solid green.

Waits for the wrong signal; a red arrow requires either a green signal or a green arrow to release the turn. This answer assumes the straight-ahead indication governs the turn lane, when the arrow controls the turn independently.

The Rule

This question tests your knowledge of Traffic Lights in California. Source: California Driver Manual, "Traffic Signals: Red Arrow," p.33..

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