Eva: A “smart highway” system should be installed, one that would monitor areawide traffic patterns and communicate with computers in vehicles or with programmable highway signs to give drivers information about traffic congestion and alternate routes. Such a system, we can infer, would result in improved traffic flow in and around cities considerable loss of money and productivity that now results from traffic congestion.
Louis: There are already traffic reports on the radio. Why would a “smart any better?
What this question is testing
Your task
Find the choice that makes the argument's conclusion less likely to be true.
Common trap
Answers that look negative but attack a claim the argument never relied on.
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Find the assumption the argument depends on, then pick the choice that undermines it.
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