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Question

Difficulty: EasySpeed Control and Following Distance

When stopping behind another vehicle on a steep uphill grade, drivers should maintain a greater following distance than on flat roads to account for the possibility of the front vehicle rolling backward when releasing its brakes.

Answer: Answer

Answer

The statement is True. Leaving additional space when stopping behind a vehicle on an incline protects against collisions caused by the front vehicle rolling backward.
The statement is correct because stopping on a steep upgrade introduces the hazard of the leading vehicle rolling backward before accelerating forward. Maintaining a larger gap behind the vehicle creates a sufficient safety buffer to prevent a impact.

Step-by-Step Solution

1
Identify the key environmental factor and risk scenario described in the statement.
The scenario involves stopping behind another vehicle on a steep uphill incline.
Road gradient alters vehicle behavior when moving from a complete stop.
2
Analyze how vehicle mechanics behave when starting on a steep grade.
Vehicles may roll backward slightly as the driver releases the brake and engages the accelerator or clutch.
Gravity pulls the vehicle downhill during the moment between releasing the brake and applying drive torque.
3
Evaluate the appropriate following and stopping space required.
Increasing the stopping distance provides a safety buffer to absorb any backward movement of the front vehicle.
Defensive driving rules specify expanding space cushions whenever extra hazards, such as rollback risk, exist.

Key Concept

Adjusting stopping distance and space cushions for inclines and rollback hazards
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Topics

Speed Control and Following Distance

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