Alaska Speed, space and defensive driving Test 1

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On a dry road in ordinary conditions, which following interval does Alaska's handbook recommend as a practical starting point?
Correct answer: At least four seconds behind the vehicle ahead.
The handbook recommends the four-second method, while separately noting a two-second regulatory minimum. Adjust the gap upward when conditions require more room.
Source: Alaska Driver Manual, Rev. 10/2025 - How to avoid rear end collisions - Four-second rule; printed p. 27; PDF p. 32 ↗
You begin towing a trailer on a wet road. How should you change the handbook's ordinary four-second following interval?
Correct answer: Increase it to six seconds or more.
The handbook calls for six seconds or more when towing or when the surface is wet or slippery. Both conditions can make a short stopping gap less forgiving.
Source: Alaska Driver Manual, Rev. 10/2025 - How to avoid rear end collisions - Four-second rule; printed p. 27; PDF p. 32 ↗
You are driving below the maximum speed on a two-lane road outside an urban area, with five vehicles immediately behind. What should you do at a safe opportunity?
Correct answer: Pull over safely to let the following vehicles pass.
Alaska's handbook identifies a duty to pull over safely when five or more vehicles are immediately behind on a rural two-lane roadway. Do not stop where pulling over would be unsafe.
Source: Alaska Driver Manual, Rev. 10/2025 - What the law says about following; printed p. 27; PDF p. 32 ↗
Fog reduces how far ahead you can see, although the posted limit has not changed. How should you choose your speed?
Correct answer: Slow enough to stop within the clear distance you can see ahead.
A posted maximum is not a safe speed for every condition. Reduced visibility requires a speed that allows you to stop within the available clear distance.
Source: Alaska Driver Manual, Rev. 10/2025 - Speed limitation law; printed p. 29; PDF p. 34 ↗
Under favorable conditions, what is Alaska's stated maximum in a residential district when no different limit is posted?
Correct answer: 25 mph.
The handbook lists 25 mph for an unposted residential district under favorable conditions. A posted limit or unsafe conditions can require a different speed.
Source: Alaska Driver Manual, Rev. 10/2025 - Speed laws - default limits; printed p. 29; PDF p. 34 ↗
During a long drive, you notice repeated drowsiness and difficulty staying alert. What should you do?
Correct answer: Stop driving at a safe place and take a break.
The manual directs drivers to quit driving when drowsy. Recognize the warning and stop safely instead of trying to complete more miles while alertness is falling.
Source: Alaska Driver Manual, Rev. 10/2025 - Major roads: Quit driving when drowsy; printed p. 56; PDF p. 68 ↗