Driver's License Test Prep
California Practice Construction Signs

The manual notes that highway construction can take place at night. What does it tell you to do in these zones?

  1. A.
    Reduce your speed through the zone. Correct
  2. B.
    Turn on your high-beam headlights.
  3. C.
    Move to the leftmost lane before reaching workers.
The Why

The answer is "Reduce your speed through the zone."

In the night-driving section, the manual instructs drivers to reduce their speed in highway construction zones. The high-beam answer is drawn from the same page's general rule for open country roads at night, which a driver may carry into the work zone by habit rather than switching to the construction-zone instruction.

Why the others miss

The traps in the wrong answers

B. Turn on your high-beam headlights.

The manual's night-time construction-zone instruction is to lower your speed, not to switch on high beams. This answer carries the open-country-road high-beam habit into the work zone, on the reflex that darker conditions always call for brighter lights.

C. Move to the leftmost lane before reaching workers.

The manual calls for reduced speed in construction zones at night, not for a lane change to the leftmost lane. This answer confuses this with a passing-lane habit, where a driver reflexively moves left when the road ahead looks complicated.

The Rule

This question tests your knowledge of Construction Signs in California. Source: California Driver Manual, "Darkness," p.59..

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