Brian is a truck driver who delivers products throughout Massachusetts. His friend Chris is a traffic planner for the same state. Which best explains how their careers might intersect?

A traffic planner designs models and plans that can improve traffic flow. Better traffic flow helps Brian travel more efficiently while making deliveries, so he can get products to customers faster. Choice D best connects Chris’s work to Brian’s job; choice A focuses only on getting Brian to the warehouse, not completing his deliveries.

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