What is the recommended minimum time-gap following distance (Sicherheitsabstand) a bus driver should maintain behind preceding vehicles outside built-up areas under ideal dry conditions?
0.5 seconds
At least 2 seconds (with 3 seconds or more recommended for heavy vehicles)
1.0 second
5.0 seconds under all conditions without exception
Answer: B — At least 2 seconds (with 3 seconds or more recommended for heavy vehicles)
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