Skip to main content

Class 4 Commercial Driver Practice · Question

You are driving a small passenger bus on a multi-lane road. You notice a white rectangular sign above a specific lane showing a straight arrow and the words 'THRU TRAFFIC ONLY'. What must you do in that lane?

Lane-use signs like 'THRU TRAFFIC ONLY' are mandatory and mean vehicles in that lane are restricted to proceeding straight through the intersection.

Start free practice for Class 4 Commercial Driver Practice

300 questions · no signup required · 40 free questions per day

Start Practice →

Question: You are driving a small passenger bus on a multi-lane road. You notice a white rectangular sign above a specific lane showing a straight arrow and the words 'THRU TRAFFIC ONLY'. What must you do in that lane?

Answer options: ✅ You must continue straight; turning is prohibited from this lane.

  • You can turn left or right if no other vehicles are present.
  • This lane is only for vehicles making U-turns.
  • You can stop within this lane for quick passenger drop-offs.

Correct answer: You must continue straight; turning is prohibited from this lane.

Explanation: Lane-use signs like 'THRU TRAFFIC ONLY' are mandatory and mean vehicles in that lane are restricted to proceeding straight through the intersection.

Start free practice for Class 4 Commercial Driver Practice

300 questions · no signup required · 40 free questions per day

Start Practice →

More about Class 4 Commercial Driver Practice

Related Questions

More for Class 4 Commercial Driver Practice candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free Class 4 Commercial Driver Practice Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.