Practice question

On the Colorado CDL General Knowledge test, when driving on wet roads, by how much should you reduce your speed compared to dry conditions?

  1. Reduce speed by one-quarter (25%)
  2. Reduce speed by one-third (33%)
  3. Reduce speed by one-half (50%)
  4. No speed reduction is necessary if tread depth is adequate

Answer: B — Reduce speed by one-third (33%)

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