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Class 4 Commercial Driver Practice · Question

What does a solid white line on the road between two lanes of traffic moving in the same direction mean?

A solid white line indicates that lane changes are discouraged or prohibited because of increased hazard (e.g., near an intersection).

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Question: What does a solid white line on the road between two lanes of traffic moving in the same direction mean?

Answer options: ✅ Lane changing is discouraged or prohibited

  • The road is a one-way street
  • Only commercial vehicles are allowed in the lane
  • You must turn left at the next intersection

Correct answer: Lane changing is discouraged or prohibited

Explanation: A solid white line indicates that lane changes are discouraged or prohibited because of increased hazard (e.g., near an intersection).

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