Alaska CDL — General Knowledge practice
Alaska CDL — General Knowledge: Right-of-Way practice test
Who goes first at intersections, four-way stops, roundabouts, and crosswalks, and how to yield to pedestrians and emergency vehicles.
Content reviewed against official driver handbooks · August 12, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
12 sample Right-of-Way questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
Show all 12 questions with answers
1. Your truck cannot make a right turn without swinging into another lane. At what point in the turn should you go wide?
Correct answer: As you complete the turn
Swing wide as you finish the turn while keeping the rear close to the curb. Swinging left at the start invites a following driver to try to pass on your right.
Source: Alaska Commercial Driver License Manual — Section 2.7.6, Space for Turns
2. What can happen if you begin a left turn before reaching the center of the intersection?
Correct answer: Off-tracking may carry your left side into another vehicle
Turning too soon lets the trailer cut the corner. Because of off-tracking, the left side of your vehicle can strike another vehicle.
Source: Alaska Commercial Driver License Manual — Section 2.7.6, Space for Turns
3. According to the manual, whom were move-over laws enacted to protect?
Correct answer: Police, emergency medical and fire personnel, and road workers doing their jobs at the roadside
Move-over laws respond to the growing number of police officers, emergency medical and fire personnel, and road workers being struck while working at the roadside.
Source: Alaska Commercial Driver License Manual — Section 2.8.2, Hazardous Roads
4. A driver tries to cross a raised railroad crossing and gets hung up because the vehicle's undercarriage is too low. How do CDL rules treat this?
Correct answer: As a railroad-highway grade crossing violation that can cost the driver the CDL
Getting stuck for lack of undercarriage clearance is one of the six listed grade crossing offenses, and a first violation costs the CDL for at least 60 days.
Source: Alaska Commercial Driver License Manual — Section 1.3.5, Railroad-highway Grade Crossing Violations
5. Why can a single-axle tractor pulling a long trailer get stuck on a raised railroad crossing?
Correct answer: The trailer's landing gear is set to suit a tandem-axle tractor
The manual warns about a single-axle tractor with a long trailer whose landing gear has been set up for a tandem-axle tractor. The low gear can hang up on a raised crossing.
Source: Alaska Commercial Driver License Manual — Section 2.15.6, Special Situations
6. About how long does a typical tractor-trailer need to clear a single railroad track?
Correct answer: At least 14 seconds
The manual gives at least 14 seconds for a typical tractor-trailer to clear one track, which is why you must be sure you can get completely across before starting.
Source: Alaska Commercial Driver License Manual — Section 2.15.5, Crossing the Tracks
7. For the road test's regular traffic checks, when should you check mirrors and traffic at an intersection?
Correct answer: Before, while in, and after the intersection
The scoring standard calls for mirror and traffic checks ahead of an intersection, during it, and once you are through.
Source: Alaska Commercial Driver License Manual — Section 13.1.16, Regular Traffic Checks
8. An aggressive driver is pushing to take your lane position. What does the manual tell you NOT to do?
Correct answer: Speed up or try to hold your own in the lane
The manual says to put your pride in the back seat and not challenge an aggressive driver by accelerating or trying to hold your place in the travel lane.
Source: Alaska Commercial Driver License Manual — Section 2.10.3, What You Should Do When Confronted by an Aggressive Driver
9. During the urban business part of the road test, where should your vehicle be?
Correct answer: Centered in the proper (right-most) lane
In the urban business segment you are expected to stay centered in the proper lane, which is the right-most lane, while keeping up with traffic without exceeding the posted limit.
Source: Alaska Commercial Driver License Manual — Section 13.1.3, Urban Business
10. Under the road test's lane usage rules, when may you stay out of the right-most lane?
Correct answer: When that lane is blocked
The lane usage standard is to move to or stay in the right-most lane. The one stated exception is a blocked lane.
Source: Alaska Commercial Driver License Manual — Section 13.1.14(d), Lane Usage
11. On the road test, what should every commercial driver do before reaching a railroad crossing?
Correct answer: Slow down, look and listen for trains, and check traffic in all directions
All commercial drivers are expected to decelerate and brake smoothly, shift as needed, look and listen for trains, and check traffic all around before the crossing.
Source: Alaska Commercial Driver License Manual — Section 13.1.8, Railroad Crossing
12. During a turn, what are you checking your mirrors for?
Correct answer: To be sure the rear of your vehicle won't hit anything
Turns are one of the special situations for mirror use. You watch the mirrors so the back end of the vehicle does not strike anything.
Source: Alaska Commercial Driver License Manual — Section 2.4.2, Seeing to the Sides and Rear
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