A city council plans to fund a new light-rail line to reduce congestion. The conclusion is that the project should be funded.

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When evaluating a policy proposal, the strongest support comes from evidence that directly shows the project will achieve the stated goal in a meaningful way. Here, the goal is to reduce congestion, so the best choice states that the line would significantly reduce average commute times for the majority of riders. That directly demonstrates a clear, tangible benefit that aligns with the objective and affects a large portion of the population, making funding the project seem worthwhile.

The other options are weaker signals: proving the technology exists elsewhere speaks to feasibility but not the actual impact on congestion; noting funds that would be unused addresses budgeting but not the project’s effectiveness; and citing temporary road closures highlights a potential downside rather than a benefit.