Driving Test Practice

Idaho: Freeway driving — Part 2 Practice Test

Questions in this part include: “What should you do if you cannot or do not want to drive at the posted speed on a freeway?” · “How long should you signal before making a lane change or exiting a freeway?”

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20 questions · About 8 min

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  • Every answer cites its source in the manual
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Questions are original and based on the official manual "Idaho Driver's Handbook" (July 2026), Idaho Transportation Department.

All 20 questions in this practice test

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  1. If you enter a freeway by the wrong entrance by mistake, what must you never try to do?

    A divided freeway with two lanes each way and a wide grass median, crossed midway by an empty paved crossover strip, with cars and a box truck in their lanes.
    • Back up or turn around
    • Wait until the next exit
    • Check traffic around you
    • Signal before changing lanes
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    Correct answer: Back up or turn around

    The manual says never to back up or turn around through the median if you enter the wrong entrance.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  2. If you need to get off the freeway or change directions, when should you do so?

    A divided freeway with two lanes each way and a wide grass median, crossed midway by an empty paved crossover strip, with cars and a box truck in their lanes.
    • At the nearest median crossover
    • On the shoulder, when no traffic is near
    • At the next exit
    • At the next break in the median
    Show answer

    Correct answer: At the next exit

    The manual says to wait until the next exit to get off the freeway or change directions.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  3. Once on the entrance ramp, over which shoulder do you begin looking for a gap in freeway traffic?

    A blue car on a curved entrance ramp that joins a three-lane freeway with steady traffic
    • Your right shoulder
    • Your left shoulder
    • Neither, you should rely only on your mirrors
    • Whichever is closer to the lane you want
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    Correct answer: Your left shoulder

    The manual says to signal and begin looking over your left shoulder for a gap in the traffic.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  4. When merging onto a freeway, who must yield?

    A blue car with its left signal on in the acceleration lane of an entrance ramp beside a multi-lane highway with traffic
    • Traffic already on the highway must yield to you
    • The vehicle that is going faster must yield
    • The vehicle in the left lane must yield
    • You must yield to the traffic already on the highway
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    Correct answer: You must yield to the traffic already on the highway

    The manual reminds drivers entering that they must yield to the traffic already on the highway.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  5. When can you make a simple lane change, merge with the flow of vehicles, and turn off your turn signal after entering a freeway?

    A blue car with its left signal on in the acceleration lane of an entrance ramp beside a multi-lane highway with traffic
    • Once you are traveling at the speed of traffic
    • As soon as you enter the ramp
    • As soon as you reach the acceleration lane
    • After you have passed the first exit
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    Correct answer: Once you are traveling at the speed of traffic

    The manual says you can do so once you are traveling at the speed of traffic.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  6. In heavy traffic on a freeway entrance, what might you have to do if there is no opening?

    A blue car on an entrance ramp that joins an expressway through a very short merging lane, beside a steady line of traffic in the right lane
    • Speed up and force your way in ahead of traffic
    • Stop on the entrance ramp and back up
    • Slow down before the end of the acceleration lane
    • Drive on the shoulder to pass the traffic
    Show answer

    Correct answer: Slow down before the end of the acceleration lane

    If there is no opening, the manual says you may have to slow down before reaching the end of the acceleration lane.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  7. If a short acceleration lane and heavy traffic force you to stop, what should you be sure to leave?

    A blue car on an entrance ramp that joins an expressway through a very short merging lane, beside a steady line of traffic in the right lane
    • Enough room behind to back up if needed
    • Enough room ahead to accelerate to freeway speed
    • A gap of at least one full lane on your right
    • Room for the next car to pull alongside
    Show answer

    Correct answer: Enough room ahead to accelerate to freeway speed

    The manual says to leave enough room ahead so you can accelerate up to the speed of freeway traffic as you merge.

    Source: Idaho Driver's Handbook (July 2026), page 84 · Open this page in the manual

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  8. After you are forced to stop on a short acceleration lane, what should you do once there is a gap large enough?

    A blue car on an entrance ramp that joins an expressway through a very short merging lane, beside a steady line of traffic in the right lane
    • Merge slowly at the speed you are going
    • Accelerate gently without signaling
    • Wait for a second gap before entering
    • Signal and accelerate as rapidly as you can
    Show answer

    Correct answer: Signal and accelerate as rapidly as you can

    The manual says to signal your entrance and accelerate as rapidly as you can to blend in with the traffic flow.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  9. Once on the freeway, what speed should you maintain?

    A divided highway with two lanes in each direction separated by a wide grass median, with cars, an SUV and a box truck spread across the lanes
    • A steady speed that keeps up with traffic flow
    • A speed below the flow of traffic to be safe
    • A speed that changes with each lane
    • The slowest speed that keeps you in the lane
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    Correct answer: A steady speed that keeps up with traffic flow

    The manual says to maintain a steady speed and keep up with the flow of traffic.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  10. What should you do if you cannot or do not want to drive at the posted speed on a freeway?

    • Drive in the left lane at a lower speed
    • Drive on the shoulder
    • Choose another kind of road to travel
    • Turn on your hazard lights and drive slowly
    Show answer

    Correct answer: Choose another kind of road to travel

    The manual says to choose another kind of road if you can't or don't want to drive at the posted speed on a freeway.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  11. On a freeway, which lane is for higher-speed traffic and passing?

    A divided highway with two lanes in each direction separated by a wide grass median, with cars, an SUV and a box truck spread across the lanes
    • The far right lane
    • The left lane
    • The center lane
    • The entrance lane
    Show answer

    Correct answer: The left lane

    The manual says the left lane is for higher-speed traffic and passing.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  12. Most of the time, which lane or lanes should you drive in on a freeway?

    A divided highway with two lanes in each direction separated by a wide grass median, with cars, an SUV and a box truck spread across the lanes
    • The far left lane
    • The left lane or the shoulder
    • The lane with the fastest traffic
    • The far right or center lane
    Show answer

    Correct answer: The far right or center lane

    The manual says most of the time you should drive in the far right or center lane.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  13. During rush hours, which freeway lane should you avoid?

    A divided highway with two lanes in each direction separated by a wide grass median, with cars, an SUV and a box truck spread across the lanes
    • The right lane
    • The left lane
    • The center lane
    • Every lane except the shoulder
    Show answer

    Correct answer: The right lane

    The manual says to avoid the right lane during rush hours to leave room for drivers entering the freeway.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  14. How long should you signal before making a lane change or exiting a freeway?

    • At least two seconds
    • At least three seconds
    • At least five seconds
    • At least one second
    Show answer

    Correct answer: At least five seconds

    The manual says to always signal for at least five seconds before a lane change or exit.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  15. Driving across a barrier or unpaved strip that separates the two halves of a roadway is illegal except where?

    A divided highway with two lanes in each direction separated by a wide grass median, with cars, an SUV and a box truck spread across the lanes
    • At any place where there is no oncoming traffic
    • At an authorized opening or crossover
    • At any place where the strip is narrow
    • At any exit ramp
    Show answer

    Correct answer: At an authorized opening or crossover

    The manual says it is illegal except at an authorized opening or crossover. On interstate highways (freeways), this is not allowed.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  16. What makes getting off a freeway a simple maneuver?

    Top view of a three-lane expressway approaching an exit ramp with a green EXIT sign; your blue car is in the right lane.
    • Slowing down on the freeway before reaching the exit
    • Stopping at the end of the exit lane to check traffic
    • Taking the first exit you see
    • Knowing which exit to take and following the lane signs
    Show answer

    Correct answer: Knowing which exit to take and following the lane signs

    The manual says exiting is simple if you know which exit to take and follow the signs marking the lane for that exit.

    Source: Idaho Driver's Handbook (July 2026), page 85 · Open this page in the manual

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  17. About how far before your freeway exit should you signal and move into the lane nearest the exit if you are not already in it?

    • About a half mile
    • About 100 feet
    • About one mile
    • About a quarter mile
    Show answer

    Correct answer: About a half mile

    The manual says to signal and move into the lane nearest the exit about a half mile before the exit.

    Source: Idaho Driver's Handbook (July 2026), page 86 · Open this page in the manual

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  18. What is the deceleration lane on a freeway exit provided for?

    A blue car with its right signal on moving from a multi-lane highway into a deceleration lane that leads to an exit ramp
    • To let you pass slower vehicles on the ramp
    • To let you stop and check your mirrors
    • To slow down without interrupting traffic flow
    • To let trucks park before the ramp
    Show answer

    Correct answer: To slow down without interrupting traffic flow

    The deceleration lane lets you slow down without interrupting the flow of traffic.

    Source: Idaho Driver's Handbook (July 2026), page 86 · Open this page in the manual

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  19. What should you do when an exit speed is posted on a freeway ramp?

    A yellow vertical rectangular sign reading EXIT 25 MPH
    • Keep the freeway speed until the end of the ramp
    • Adjust your speed accordingly as you drive through the ramp
    • Stop at the start of the ramp before entering it
    • Drive at the speed of the vehicle ahead whatever the sign says
    Show answer

    Correct answer: Adjust your speed accordingly as you drive through the ramp

    The manual tells drivers to adjust their speed to the posted exit speed through the ramp.

    Source: Idaho Driver's Handbook (July 2026), page 86 · Open this page in the manual

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  20. When you leave a freeway ramp and enter another thoroughfare, what should you expect?

    • Lighter traffic and faster speeds than on the freeway
    • The same traffic conditions as on the freeway
    • Traffic that always yields to you
    • More complicated, dangerous traffic and slower speeds
    Show answer

    Correct answer: More complicated, dangerous traffic and slower speeds

    You may be driving in more complicated, dangerous traffic than on the freeway, so you must be alert and adjust to the new conditions and slower speeds.

    Source: Idaho Driver's Handbook (July 2026), page 86 · Open this page in the manual

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