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Washington Personal Driver Knowledge Test
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Passing target: 80% (32/40)
Warning, Construction & Information SignsStandalone practice
On a mountain highway, you pass this sign. What should you do?
Correct answer: Control your speed on the steep downgrade, and watch for slow trucks
Why
Speed builds quickly on a downgrade, and brakes that you use for a long time can get hot. Large trucks go slowly on long, steep grades, so be ready to meet them in the right lane. Increase your following distance on the hill.
Verified against Washington Driver Guide · Other traffic signs · p. 99, 119
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