Idaho Written Driver's License Practice Test 2025 – The All-in-One Guide to Exam Success

Question: 1 / 400

What is the primary purpose of a freeway acceleration lane?

To allow space for emergency vehicles

For vehicles to safely stop

To give traffic time/space to accelerate to freeway speeds

The primary purpose of a freeway acceleration lane is to give traffic time and space to accelerate to freeway speeds. When entering a freeway, it is essential for vehicles to match the speed of the traffic already on the highway to ensure a smooth merging process and improve safety. The acceleration lane allows drivers to increase their speed gradually in a designated area, reducing the likelihood of collisions that can occur if a vehicle attempts to enter the highway at too low a speed. This designated space is crucial for maintaining the flow of traffic and ensures that merging vehicles can do so without significantly disrupting other drivers.

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To provide a passing lane

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