South Dakota Operator License Knowledge Practice Test
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On the interstate, you follow a large truck that blocks your view of the road ahead. What should you do?
A follows close behind a large truck on an interstate. The truck blocks the forward view; no extra traffic or two-second rule is introduced.
Correct answer: Drop back so you can see the truck's side mirrors and more of the road
Why
The manual sets a following distance of at least four seconds and asks for more when the driver ahead cannot see you. Too close behind a truck, you are in its rear No-Zone and have nowhere to go if it brakes hard. A longer gap also gives you time to see a hazard that the truck hides from you.
Verified against South Dakota Driver License Manual · Cushion of space (space management) · p. 51, 63
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