Question 501 of 276 · Alberta Class 4 Knowledge Test
On a two-lane highway, when may a commercial vehicle pass another vehicle while climbing a grade?
Exactly one answer is correct.
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Correct answer to question 501
- D: Never, passing on an upgrade is not allowed
Explanation
The guide says never to pass a vehicle on an upgrade on a two-lane highway. The same rule applies on a downgrade. Move to the right and keep a safe speed instead.
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