Ontario Class D Practice Test · Question
Scenario 91: What is the primary function of a 'RUNAWAY LANE' sign for a Class 3 driver on a steep downgrade?
A runaway lane (or truck escape ramp) is a safety feature on steep downgrades, providing an uphill or gravel-filled ramp for commercial vehicles that have lost
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Question: Scenario 91: What is the primary function of a 'RUNAWAY LANE' sign for a Class 3 driver on a steep downgrade?
Answer options:
- It indicates a lane for emergency vehicle access only
- It marks an alternative route for trucks during heavy traffic ✅ It identifies a designated escape route for vehicles that have lost braking capability
- It signals a truck-only lane for passing slower vehicles
Correct answer: It identifies a designated escape route for vehicles that have lost braking capability
Explanation: A runaway lane (or truck escape ramp) is a safety feature on steep downgrades, providing an uphill or gravel-filled ramp for commercial vehicles that have lost their brakes to stop safely. The correct answer is "It identifies a designated escape route for vehicles that have lost braking capability". This capacity-fill scenario 91 reinforces the same competency for the class3 bank and follows the certified explanation standard.
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- When performing a pre-trip inspection, what is the minimum air pressure required in an air brake system before
- When driving a straight truck, how should you pass a pedestrian walking on the shoulder of the road without a
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- Scenario 2: Gross combination weight (GCW) is:
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